Not until he went through real hardship ________ the love we have for our families is important.
| A．had he realized | B．did he realize |
| C．he realized | D．he had realized |
Some people ________ not have plans yet for New Year’s Eve, but others know exactly what they will be doing.
His conclusion, ______ on careful research, was acceptable.
| A．to base | B．to be based | C．basing | D．based |
It was __________________ back home from work.
| A．not until midnight did he go | B．until midnight that he didn’t go |
| C．not until midnight that he went | D．until midnight when he didn’t go |
There is no reason why you shouldn’t tell the headmaster _________ that you are resigning because he has arranged your post.
| A．in effect | B．in fact | C．in advance | D．in support |
It was with great joy the couple found their missing son after 18 years.
| A．when | B．that | C．what | D．which |