词形变换。
从下面方框中选出适当的单词并用其正确形式完成下列句子，使句子完整、正确。

play    write    a   go   put    I  swim  class    chair   be

 
Lingling, we could go __________ this Sunday.
I like ___________ basketball after school.
There is _________ apple on the desk.
Please __________ up your hand
Let’s ________ it on the blackboard.
I am in __________ 3, Grade 7.
Can you help_________, please?
-----How many _____________ are there in the room?
-----Hello. ________  you a new student here? ------Yes, I am.
It’s time           now.