八年级下册 Unit 4 单元复****单项选择专项训练 1. My bike was broken yesterday, so I ______ walk home. A. might B. had to C. must D. could 2. To my joy, we ______ go to the bank. Mary has lent us some money. A. shouldn't B. needn’t C. couldn't D. wouldn't 3. —The CCTV March15th Evening Party showed that the snack "spicy strip" which children like eating is poisonous (有毒的) . —Yes. Something ______ be done to make producers pay attention to food safety. A. need B. might C. may D. must 4. He always means what he says. There ______ be a reason why he didn't tell the truth. A. Must B. should C. may D. can 5. —In China, many students feel stressed because of too much homework. —Don't worry. Our government has realized this problem. I'm sure there ______ be good news for them soon. A. can B. must C. should D. need 6. You ______ smoke here!Look at the sign. It says "No Smoking". A. needn't B. mustn't C. can D. may 7. Can you tell me ______ help? A. where to ask B. how to ask C. who to ask for D. why to ask for 8. If you don't know ______ your hands, you can follow the seven hand-washing method. A. what to wash B. when to wash C. why to wash D. how to wash 9. —I want to read Black Beau1y first,but I don't know ______ the book. —Try our school library or City Library. A. when to finish B. where to find C. how to find D. why to read 10. —We