开学后，老师第一次见到同学们，会说：
A. What’s your name?
B. Welcome back to school, boys and girls.
C. Good bye boys and girls.
They are playing __________ piano.
| A．a | B．the | C．/ | D．an |
Is Kate cleaning the door?
A.Yes, she is.
B.Yes, she does.
B.C.No, she don’t.
D.No, she doesn’t.
Lucy _______ making a cake.
| A．is | B．are | C．am | D．do |
What do ________ have?
| A．he | B．we | C．Jim | D．she |
How many __________ are there in the basket?
| A．apple | B．an apple | C．apples | D．the apples |