Whenever asked to help me with my lessons，he always refuses， he is too busy．
| A．to say | B．saying | C．says | D．having said |
相关试题
. 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 |
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