Not until he left his home ________ to know how important the family was for him.
| A．did he begin | B．had he begun |
| C．he began | D．he had begun |
To tell the truth, I won’t go to the party_______.
| A．so as to invite | B．even if invited | C．if inviting | D．if invite |
The man stopped from time to time_______whether he was being followed.
| A．as if found | B．as to find | C．as if to find | D．when found |
Doctors have said that as many as 50% of patients don’t take medicine_______.
| A．like directed | B．to be directed | C．as directed | D．so that directed |
You may take them all home_______.
| A．if possible | B．if can | C．unless so | D．even if you can |
—Which would you like, chicken or fish?
—_______
| A．I don’t think so. | B．What if? | C．Both. | D．Neither can I. |