题目内容
二、 根据句意，用 can,could,cannot,couldn’t 填空
1. My little son walk because he is only six months old.
2. —- you help me? —Yes,I.
3. The little boy swim very well at the age of eleven. He was a good swimmer.
4. —Can you write a letter in English? -—No,I .
5. It will be hot tomorrow,so we wear shorts.
6. Last year I swim,but I swim now.
7. When he was young,I never believed that he be a good English teacher.
8. The zoo doesn’t open today. We visit the animals there.
1. cannot/can't 2. Can/Could;can 3. could
4. cannot/can't 5. can 6. couldn’t; can
7. could 8. can't/cannot
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