---They are quiet, aren’t they?
--Yes. They are accustomed ______ at meals.
| A．to talk | B．to not talk | C．to talking | D．to not talking |
If only you him what I said, everything would have been all right.
| A．didn’t told |
| B．hadn’t told |
| C．would not tell |
| D．would have not told |
It’s high time we our attention to this problem．
| A．turned |
| B．turn |
| C．had turned |
| D．would turn |
It’s necessary that he a recognized qualification .
| A．has |
| B．have |
| C．had |
| D．having |
We demanded that we of any change in the plan.
| A．informed |
| B．would be informed |
| C．be informed |
| D．had been informed |
--- John went to the hospital alone.
--- lf he me about it ，I would have gone with him (2010 .天津)
| A．should tell |
| B．tells |
| C．told |
| D．had told |