用所给的动词的适当形式填空.
1.A：Look at the children.They_________(play)table tennis over there.
B：_______they often________(play)table tennis?
A ：Yes,they ______.
2.A：_______the pupils ________ _________(visit)the zoo tomorrow?
B：Yes,they __________.They often _______(visit)the zoo.
3.A：What time _______your son usually _____(get)up?
B：He usually ______ (get) up at seven.
A：It`s seven now.
B：Yes,he______(get) up and _____(put)on his clothes now.