2 . 她的演讲非常有趣，观众忍不住时不时发出笑声。（cannot help）

3 . They haven't seen each other for years, but they chat online now and ________.

4 . You should try to write _____ even when you’re busy. As you know, practice makes perfect.

A．now and then

B．more or less

C．sooner or later

D．here and there

5 . 根据句意，选择单词或短语并以其适当形式填空。

Even though， millions of ， deal with ，instead of，make a difference，go bananas，have one thing in common，now and then ，compare … with…，rather than

1. I often _____ what I think _____ what others have thought.
2. _______   family members sometimes disagreed with each other，they worked together to make the business successful.
3. China's development creates opportunities _____________ challenges.
4. Every _____________   female students disappeared from my class.
5. We will do something to _____________   to the environment.
6. This is a kind of creature that lived on the earth _____________ years ago.
7. My mom will _____________   when she finds out I crashed(撞毁) her car.
8. Additionally, about 250,000 police offices and sentry(哨兵) posts have been established, which could _____________ situations when teachers or students call police for help.
9. Jiang said she now prefers reading e-books via her computer and mobile phone, _____________   printed ones.
10. I think all of the overseas officers _________________   -- that Hong Kong is their home.

6 . 选择短语填空

work out; lose heart; make sense; now and then; take part in; fall apart; rather than; at home and abroad

1. You should prefer to work harder to solve the problem________give up．
2. It is a shame that their friendship finally_________and they became enemies．
3. Even if he is very busy, he will_________in the gym three times a week to keep healthy．
4. Ping­pong has become an international sport, and it is played_______________．
5. It_________to work on the problem before it gets out of control．
6. James failed to start a business, but he didn’t_________and tried a second time．
7. My grandfather still plays tennis_________，even though he’s in his seventies．
8. The teacher as well as his students is going to_________ this activity．

7 . 尽管他时不时地犯错误，但他依然是很优秀的一名学生。(汉译英)

8 . 从方框中选择合适的短语、结构，并用其适当形式补全句子，使句子完整正确。

suffer from, regard…as, given that, in turn, as well as, be about to do, focus on, now and then, leave…behind, turn up, after all, lead to

1. But in cities, limited space has__people looking for new solutions. Those without outside space can rent small pieces of land on which to grow things.
2. By__saving oil, water, paper, food, and clothing, we are playing a part in cutting down waste.
3. I__tell him the truth when the other guests came back to the living room. I decided to wait a bit.
4. __she is interested in children, I'm sure teaching is the right career for her.
5. Mid-Autumn Festival__a time for families to get together in China.
6. Old people__Alzheimer’s disease will be given special care in the nursing home.
7. From time to time I look at the photo as a reminder to show respect to all animals. It is __we who are the visitors.
8. __learning to swim, he has been taking Spanish lessons this summer.
9. A   clean environment can help the city bid for the Olympics, which__will promote its economic development.
10. Despite   arguments   over “stupid things”__, Alistair agrees that having a brother is an advantage.

9 . While typing, Helen has a habit of stopping ______ to give her long and flowing hair a smooth.

A．now and then

B．over and over

C．up and down

D．here and there

10 . I hope you will study hard and master as much knowledge as possible； otherwise you will have to live a hard life_______.

A．as a result of	B．in a word
C．as a consequence	D．now and then