问题描述：
动词时态和语态选择题10
Sir Denis ,who is 78 ,has made it known that much of his collection ___ to the nation.
A has left
B is to leave
C leaves
D is to be left
Reason!
Sir Denis ,who is 78 ,has made it known that much of his collection ___ to the nation.
A has left
B is to leave
C leaves
D is to be left
Reason!
问题解答：
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