用所给动词正确形式填空They often ________ (do) their homework at school.
Look! The cat _____________ (run)up the tree.
Let’s _________ (have) supper.
Thank you very much for _____________ (give) me a very nice bag.
He would like __________ (go) shopping.
Listen ! The children____________ ( sing ) in the classroom.
He ____________ (not speak ) Chinese.
Mary likes___________( read ) very much.
The animal usually sleeps and ________(relax)20 hours every day.
I want ___________ (work) in a post office.