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Look at the sign, Sir. We don’t permit _________ in the hall.
| A．smoke | B．to smoke | C．smoking | D．to have a smoke |
“When _____ he come？” “I don’t know, but when he _____, I’ll tell you.”
| A．does, comes | B．will, will come |
| C．does, will come | D．will, comes |
I don’t know if she _____, but if she ____ I will let you know.
| A．comes, comes | B．will come, will come |
| C．comes, will come | D．will come, comes |
He is very busy. I don’t know if he _____ or not tomorrow.
| A．come | B．comes |
| C．will come | D．is coming |
“What place is it？” “Haven’t you found out we _____ back where we ______？”
| A．were, had been | B．have been, are |
| C．are, were | D．are, had been |
He has changed a lot. He _______ not what he _______.
| A．is, is | B．was, was |
| C．is, was | D．was, is |