For a moment nothing happened. Then _________ all shouting together.
| A．voices had come | B．came voices | C．voices would come | D．did voices come |
Only when he told me________what trouble he was in.
| A．did I realize | B．I realized | C．do I realize | D．I realize |
There are a number of methods to provide relief from your toothache, which can’t cure the problem.
| A．permanent | B．temporary | C．contemporary | D．consequent |
____ I'm mistaken, I've seen that tall man at a party before.
| A．If | B．As | C．Unless | D．When |
Paper produced every year is ________ the world’s production of vehicles.
| A．the three times weight of | B．heavier three times than |
| C．as three times heavy as | D．three times the weight of |
It turned out that she won the first prize in the competition, which was beyond her .
| A．expectations | B．reputations | C．contributions | D．celebrations |