he must be in the office.be换成is 可以么
he must be in the office.be换成is 可以么
He must be in the office,______he?
I think he must be in the office now,______?
模仿例句改写句子.Example:He must be in the office.→He must have been
It must be John who is in the office.I'm sure it()be John.Is
He must't be in his office now.Isaw him in the street just n
I think he must be in the office now,______?反意疑问句应该是什么?
I think he must be in the office now,______?反意疑问句应该是什么?为什么
Is Mrs White in the office?Yes,_she is on duty,she must be h
Is Mrs White in the office? Yes,_she is on duty,she must be
The light is on.must be in the office.添适当
1.the light in the office is still on.someone must be still