1 . ____________ people spend so much money on their pets surprised us a lot.

2 . — I’ll ask the teacher about the attributive clause. I’m very puzzled about it.
— That’s just __________ most of our classmates have doubt.

3 . Our bad living habits will destroy the earth. Only by changing _________ we live can we save the earth.

4 . The manager demanded that his lawyer ______________(call) or he wouldn’t say a single word.

5 . Many of the creatures in Rowling's world are not real, and much of ________ happens is strange.

6 . Not only the swimmers who are in the swimming pool but also the coach ___________(try) to save the drowning girl.

7 . She asked me ____________ I had returned the books to the library, and I admitted that I hadn’t.

8 . The boy dived into the water and after _________ seemed to be a long time, he came up again.

9 . Jim has retired, but he still remembers the happy time ____________ (spend) with his students. (所给词的适当形式填空)

10 . Large quantities of food _______(send) to the countries struck by the earthquake so far. (所给词的适当形式填空)