___________, he would have been fired.
| A．Had he lied to the boss | B．Did he lie to the boss |
| C．If he has lied to the boss | D．If he lies to the boss |
Mary and I see each other ___________. but not as often as we used to.
| A．sooner or later |
| B．once in a while |
| C．in the end |
| D．more or less |
Father ____________ goes to the gym with us although he dislikes going there.
| A．hardly |
| B．seldom |
| C．sometimes |
| D．never |
Gun control is a subject ___________ Americans have argued for a long time.
| A．of which |
| B．with which |
| C．about which |
| D．into which |
He ___________ his friends for their help at the hotel now.
| A．entertained |
| B．was entertaining |
| C．is entertained |
| D．is entertaining |
___________ I can see, there is only one possible way to keep away from the danger.
| A．As long as |
| B．As far as |
| C．Just as |
| D．Even if |