选词填空。 1. You______cross the street when the light is red. 2. You______help your mother do some housework. 3. You______read in bed. 4. You______learn English from your friend. 5. You______swim in the sea because it's too dangerous(危险的 ).
选词填空 waiting mustn’t with can learn 1. You mustn’t play ________ your ball here. 2. The light is green. Now I ________ cross. 3. May I ________to roll it? 4. Now the light is red. Tom is ________. 5. You ________ run in the street.
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