If they what I was saying, they'd know what I was talking about
| A．took the trouble to listen to | B．had trouble listening to |
| C．take the trouble to listen to | D．have trouble listening to |
He commanded that the student _____the classroom before he returned.
A didn't leave B wouldn't leave C not leave D can’t leave
E-mail English is a new kind of written English that ______to save time.
A be being used B was being used C being used D is being used
The hard-working farmers and their happy life _____ we saw in the countryside made a wonderful impression on us.
| A．whom | B．who | C．which | D．/ |
The radio you had got ______ went wrong again.
| A．repairing | B．to repair | C．repaired | D．it repaired |
---Why did the teacher get angry? --- __________ what we had done the day before.
| A．Because | B．Since | C．As | D．Because of |