Only then _________the importance of English grammar.
| A．realized he | B．he did realize |
| C．did he realize | D．he realized |
John is not a man to count on, and it is very likely that the work ____ by the time he arrives here.
| A．is finished | B．has finished |
| C．will finish | D．will have been finished |
Most probably it will be another 7 hours _____ you can have next meal, so each of you must have your stomach full.
| A．since | B．when | C．after | D．before |
Tony is a quiet boy and he is accustomed ______ at meals, which is always appreciated.
| A．not to talk | B．to not talk |
| C．to not talking | D．not to talking |
I stayed up late doing my homework yesterday, so I had trouble _____ up early this morning.
| A．get | B．getting | C．got | D．to get |
I’ve already told you that I’m going to buy a new iPad, _____.
| A．how much does it cost |
| B．however much it costs |
| C．no matter how it costs |
| D．however does it cost much |