【推荐1】_________ it’s more possible for the chimpanzees to keep away from the music with fast rhythm, they did not show an actual preference for the music with slower rhythm. (用适当的词填空)

【推荐2】____________ English can be difficult to learn, it is a very useful tool for communication.

【推荐3】They are so busy that they have no time to do any sports, ________ they need to do so.

【推荐1】I’m sorry you’ve been waiting so long, but it’ll still be some time ________ Brian gets back. （用适当的词填空）

【推荐2】________ he grew into old age, he increasingly missed the happy time with his dead wife. (用适当的词填空)

【推荐3】单句语法填空
1. I have heard a lot of good things about you ______ I came back from abroad.
2. He smiled politely ______ Mary apologized to him for her drunken friends’ rudeness.
3. If you don’t understand something, you may research, study, and talk to other people ______ you figure it out.
4. Silk ______ （become）one of the primary goods traded along the Silk Road by about 100 BC.
5. The first time I ______ （meet）her, she was waiting for a bus.
6. She was studying at the University of Rochester when a professor ______ （suggest）a research subject to her.
7. They have regularly sent newspapers, but they rarely read them ______ they have so much work to deal with.
8. Was it ______ Jack came late for school that Mr.Smith got angry?
9. Now that the kids ______ （leave）home, we get more room.
10. ______ everything is prepared, let’s begin our experiment right now.

【推荐1】Tired ________we were, we still went on working. (用适当的词填空)

【推荐2】_________ happened, we always knew we still had the Bank to depend _______ . (用适当的词填空)

【推荐3】_________ he is a child, he knows a lot. （用适当的词填空）

【推荐1】单句语法填空
1. When you put a stick partly in a basin of water, it looks as if it_________(break).
2. With all his attention_________(focus)on his experiment, he has no time to spend with his family.
3. I_________(enjoy) myself more-it was a perfect day.
4. As a new graduate, he doesn't know_________ it takes to start a business here.
5. Recently I bought an ancient Chinese painting, the price of_________ was very reasonable.
6. Each actor and each actress of the play_________(invite) to our school last week.
7. Only when you grow up_________(understand)what your parents have done for you.
8. John wants to see me today. I would rather he_________(come)tomorrow than today.

【推荐2】________(rare)do her parents allow her to have junk food for the sake of her health. （所给词的适当形式填空）

【推荐3】Bill wasn't happy about the delay of the report by Jason, and _____________was I.