问题描述：
1----may i go now?
----no,you____,you_____stay here.
A:can't,must B:mustn't,have to
2that is the school ____we visited.
这道题我知道空里什么也不用填,就是为什么?
就这些了,
----no,you____,you_____stay here.
A:can't,must B:mustn't,have to
2that is the school ____we visited.
这道题我知道空里什么也不用填,就是为什么?
就这些了,
问题解答：
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