--- May I smoke here?
--- If you , choose a seat in the smoking section.
| A．should | B．could | C．must | D．may |
Then _______ we had been looking forward to.
| A．came the hour | B．the hour came |
| C．comes the hour | D．the hour is coming |
Little what you said. I wish you had repeated it!
| A．did I understand | B．I understood |
| C．I did understand | D．have I understood |
He has been to America twice, _____.
| A．so have I | B．so I have | C．I have so | D．so did I |
There must be ____ with the machine.
| A．something wrong serious | B．something seriously wrong |
| C．something serious wrong | D．something wrong seriously |
____ I admire David as a poet, I do not like him as a man.
| A．Only if | B．If only | C．As much | D．Much as |