用所给动词的适当形式填空。 1. ____________(not do) your homework now.
2. They are going to ____________ (play) basketball.
3. It ____________ (not rain) in winter.
4. Can you ____________(see) some birds in the sky?
5. He ____________(sit) on the grass now.
6. Last year, we ____________ (fly) to Shanghai for my holiday. 1. Don't do 2. play 3. doesn't rain 4. see 5. is sitting 6. flew