My parents would have come to see you if it had been possible, but they __________ so busy.
| A．were | B．had been |
| C．have been | D．would be |
. If they are interested, we’ll _____ further
discussion.
| A．apply | B．achieve | C．absorb | D．arrange |
A ______ with the party in power will have a bad influence on the social stability.
| A．constitution | B．construction | C．collision | D．connection |
--- Could you mail these letters for me please?
--- ____ letters? Your friends are going to be very happy to hear from you again.
| A．What | B．Some | C．More | D．Different |
They _________ the plane, or perhaps they have been prevented from coming for some reason.
| A．can have missed | B．can have lost | C．may have missed | D．may have lost |
The universities have got bigger in size, ____ many more people the chance of higher education.
| A．so allowing | B．thus allowing | C．so to allow | D．thus to allow |