Unit 2 Home Sweet Home 现在完成时练习题 一、用can或could填空 My father _____ play the piano when he was a student, but now he _____ not. He is too busy. —_____ your little sister speak English now —Yes, she _____. She started learning last year and can say many simple sentences. —_____ you help me carry this heavy box —Sorry, I _____ not. I have to finish my homework first. It _____ be dangerous to walk alone at night, so you should go with a friend. You _____ borrow this storybook from the library, but you can only keep it for two weeks. When Tom was 10, he _____ already ride a bike. Now he _____ even ride a motorcycle. We _____ not go to the park yesterday because it rained heavily. —_____ you please pass me the salt —Yes, here you are. —_____ I use your pen Mine is broken. —Yes, you _____. Here you are. My sister _____ not cook last year, but now she _____ cook many delicious dishes. —_____ your pet dog do any tricks —Yes, it _____ shake hands and roll over. My mother _____ play the piano very well when she was young, but now she _____ not—she hasn’t practiced for years. When I was 5, I _____ not swim at all. But after taking lessons, I _____ swim across the pool by the age of 7. Mr. Li _____ fix computers when he was a college student. Now he’s a computer engineer and _____ fix even more complex problems. We _____ not climb the mountain yesterday because the path was too steep, but we _____ try again next month when the weather is better. Mary _____ dance ballet when she was 10, but she stopped because of an injury. Now she _____ only dance simple dances. When I was a child, I _____ go to the park with my parents every weekend. —_____ we watch TV for a while after finishing homework —No, you can’t. You have to read a book. My grandma _____ speak a little English when she was young, but now she can’t remember any. 二、单项选择 —_____ I borrow your dictionary for a few minutes —Sure, here you are. A. Must B. Should C. Could D. Need —_____ you swim when you were 5 years old —No, I couldn’t. But now I _____ swim very well. A. Can; can B. Could; can C. Can; could D. Could; could My grandma is 70 years old, but she _____ still use a smartphone to video call us. A. can B. could C. must D. should It _____ be very cold in Harbin in winter, so you need to take warm clothes. A. can B. could C. will D. shall You _____ use my pen, but you must give it back to me tomorrow. A. could B. can C. must D. should —Is that Lucy’s brother He _____ be Lucy’s brother. He’s much taller than Lucy. —No, it is her brother. He grew a lot last year. A. can’t B. couldn’t C. mustn’t D. shouldn’t —_____ I ask you a question about English grammar —Of course you _____. A. Must; can B. Can; could C. Could; can D. Should; could When Tom was 12, he _____ run 100 meters in 15 seconds, but now he’s slower because he doesn’t exercise. A. can B. could C. may D. might When I was young, I _____ run fast, but now I can’t because of my leg injury(损伤). ... ...
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