My friend, who      on the International Olympic Committee all his life, is retiring next month.
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A
served
B
is serving
C
had served
D
has served
推荐题目
 Facing danger, he always _____ calm.
#103863
A
seems
B
remains
C
becomes
D
appears
.The moment I got home, I found I _______ my jacket on the playground.
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A
had left
B
left
C
have left
D
was leaving
---Kate returned home last night. ---Really? Where_________?
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A
had she gone
B
has she been
C
has she gone
D
had she been
The fans ______ patiently for hours and they will wait till the movie star _____.
#100641
A
will wait;arrives
B
have waited; will arrive
C
have been waiting; arrives
D
waited;arrives