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【单选题】
Although medical science __________ control over several diseases,what worries us is that some of them are returning.
A.
achieved
B.
has achieved
C.
will achieve
D.
had achieved
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参考答案：
参考解析：
刷刷题刷刷变学霸
举一反三
【单选题】I am _____ about what I say because careless remarks are likely to hurt others' feelings．I am _____ about what I say because careless remarks are likely to hurt others' feelings．
A.
enthusiastic
B.
concerned
C.
doubtful
D.
cautious
【单选题】A driver should _____ the road when____.[ ]
A.
concentrate on; drive
B.
concentrate in; driving
C.
concentrate to; drove
D.
concentrate on; driving
【单选题】--- Is Tom still smoking?--- No．By next Saturday he _____ for a whole month without smoking a single cigarette.--- Is Tom still smoking?--- No. By next Saturday he _____ for a whole month without smok...
A.
will go
B.
will have gone
C.
goes
D.
has been going
【单选题】The boy wanted to ride his bicycle in the street, but his mother told him _______．
A.
not to
B.
not to do
C.
not do it
D.
do not do
【单选题】The past fives years have seen a _______ growth in economy in China. [ ]
A.
still
B.
steady
C.
stable
D.
secret
【单选题】The money collected should be made good use ____________ the people in South Asia who suffered a lot in the earthquake and the tsunami (海啸).
A.
of helping
B.
to help
C.
to helping
D.
of to help
【单选题】I'm afraid he's more of a talker than a doer, which is _____ he never finishes anything. [ ]
A.
that
B.
when
C.
where
D.
why
【单选题】We are all ____________ in books these days since the exams are coming.
A.
caught
B.
missed
C.
stuck
D.
buried
【单选题】Keep yourself confidence up by taking gradual steps forwards, rather than freezing, when ______ with what seems like great trouble.
A.
to face
B.
face
C.
facing
D.
faced
【单选题】I ___ get on the bus when I heard someone calling me from behind.’
A.
was to
B.
was going to
C.
would
D.
was about to