1 . 学生们自己解决问题是有好处的。
___________________________________________________.

5 . 戴维也花了很多空闲时间解决科学问题。
David also __________ a lot of his free time __________ __________ scientific problems.

6 . 根据句子意思，从方框中选用恰当的单词或短语填空。

friendly; first; on time; putting up; success; instead; work out; putting out; especially

1. —Would you like to see a film with me?
—I’d like to, But I should finish my work ________.
2. Remember that hard work is the key to ________.
3. I like to travel on high-speed trains because they are usually ________ while planes are behind schedule too often.
4. Our English teacher is quite ________ and helpful.
5. Teenagers shouldn’t play with phones all day. ________, we have more meaningful things to do.
6. We can’t ________ the maths problem. Can you tell us how to do it?
7. After ________ the forest fire, the firemen were tired out.
8. Flowers are always welcome, ________ in winter.

8 . Don’t refuse to communicate with someone different from you, for he or she may ________ to be your best friend.

A．turn out

B．find out

C．work out

D．try out

10 . 用所给词或词组的正确形式填空。

prepare for, be full of, everywhere, slow down, push, work out, as soon as, surprise, wonder, make sure

1. The future seems to ________ hope.
2. ________ I get to Beijing, I’ll ring you up.
3. I can’t ________ how to do it.
4. She was busy ________ the coming exam.
5. Darren was ________ at Tian’anmen Square.
6. Before turning, you should ______.
7. ________ all the windows are closed before you leave.
8. The Great Wall is one of the ________ in the world.
9. We’ll have to eat here—________ else is full.
10. You ________ and I’ll pull.