“Never for a second,” the boy says, “ ______ that my father would come to my rescue.”
| A．I doubted | B．do I doubt | C．I have doubted | D．did I doubt |
Professor Johnson is said _____ some significant advance in his research in the past year.
| A．having made | B．making | C．to have made | D．to make |
—You must obey every word of mine!
— _____ I don’t?
| A．How about | B．What if | C．So what | D．What about |
When you have finished with that book, don't forget to put it back on my desk, _____?
| A．do you | B．don’t you | C．will you | D．won’t you |
Teddy came to my _____ with a cheque of $200 to pay my room rate, after I told him that my wallet had been stolen.
| A．attendance | B．assistance | C．rescue | D．safety |
Wouldn't it be _____ wonderful world if all nations lived in _____ peace with one another?
| A．a; / | B．the; / | C．a; the | D．the; the |