What when they last Thursday?A.did you do; were seeing me offB.were you doing, s
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What ________ when they ________ last Thursday?
A.did you do; were seeing me off
B.were you doing, saw me off
C.did you do, saw off me
D.were you doing, were seeing me off
试题答案
B
B主从复合句中，同时发生两个动作，长动作用进行时，短动作用一般式。