1 . 语法填空
1. Sometimes chopsticks are quite artistic. Truly elegant chopsticks might________(make) of gold and silver with Chinese characters.
2. When I was small, my mom ________ read me stories at night．
3. The accident ________ have been caused by a dog running across the road, but we don't know for sure．
4. He looked so hungry as though he ________ (eat) a decent meal for a month．
5. I was caught in a traffic jam for over an hour, otherwise, I ________ (keep) you waiting for such a long time．
6. Although passing the driving test ________ be difficult now, it's worth the efforts．
7. My mother ________ (be) angry with me, but I couldn't shut my mouth before I shouted at her!
8. I'm not sure of the reason for the dog's illness, but it ________ (cause) by eating too much．
9. —Can I pay the bill by check?
—Sorry, sir． But it is the rule of our hotel that payment ________ be made in cash．
10. Passengers ________ talk to the driver while the bus is moving, because it will take his focus off the road．