It _____ last night., because the ground is all wet
| A．should rain | B．should have rained |
| C．must rain | D．must have rained |
— Remember to pick up your little sister on your way home.
— _______. You can depend on me.
| A．Don’t mention it. | B．No way | C．Got it | D．My pleasure. |
Only when I left my parents for Italy____ how much I loved them.
| A．I realized | B．I had realized | C．had I realized | D．did I realize |
He asked me just to sit down and drink some water ____ I could say anything about my travel plan.
| A．while | B．when | C．if | D．before |
Patience, without ____ you can’t do the work well，is a kind of quality.
| A．that | B．it | C．which | D．what |
— Flight MU257 ______, I must be off now.
— Have a nice trip.
| A．is being announced | B．has announced |
| C．was announcing | D．had been announced. |