( ) This is__________dress. It isn’ t__________.
Can you play basketball? No, I ______ . A. can’t B. are C. is
Let’s _____ in the park. A. walking B. walk C. walks
----What are those? ----_____ are ducks. A. They B. It C.This
The ducks are _______ now. A. coming B. come C. comeing
Do you use chopsticks in China ? Yes, we _______ . A. aren’t B. do C. isn’t