题目内容
(请给出正确答案)
[单选题]
Four hours ______ too long for him to write the letter.
A.has
B.are
C.is
D.have
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A.has
B.are
C.is
D.have
A.boring
B.bored
C.clumsy
D.tired
A.错误
B.正确
A.deserve
B.preserve
C.perceive
D.receive
A) having orbited
B) being orbited
C) having been orbited
D) orbiting