选择正确的答语。

⑴How many pens are there in the bag?     A. They are peaches.

⑵What are these?                                         B. Thirteen pens.

⑶Let's go to the farm.                                  C. It's three.

⑷What's the time?                                       D. I'll go to the zoo.

⑸Is he a naughty child?                               E. I'm washing apples.

⑹What are you doing?                                F. OK.

⑺What will you do this weekend?              G. Yes, he is.

⑻Will she pick lots of apples?                     H. No, she won't.

⑼What's thirty plus twenty?                        I. Yes, they will.

⑽Will they come and have breakfast?        J. It's fifty.