His sister left home in 1998, and _______since. 
#84460
A
had not been heard of
B
has not been heard of
C
had not heard of
D
has not heard of
推荐题目
Joan saw her boyfriend off at the railway station. She waved until the train was  _____.
#72536
A
in sight
B
out of sight
C
at first sight
D
lost sight
 The boss ______Mary to finish her job within a week.
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A
suggested
B
insisted
C
demanded
D
required
When I passed the entrance examination,I couldn’t help            my success.
#82038
A
celebrating myself on
B
congratulating myself on
C
celebrating me to
D
congratulating me to