问题
填空题
用所给单词的适当形式填空。
1. Look! Some boys ______ (play) basketball on the playground.
2. Let's ______ (do) our homework.
3. Be quiet, the baby ______ (sleep).
4. Who ______ (dance) under the big tree?
5. The father teachers his little son ______ (write) a letter.
答案
1. are playing 2. do 3. is sleeping 4. is dancing 5. to write