It is reported that China will not buy the Euro debt until some thorough research ______.
#102141
A
will be done
B
had been done
C
has been done
D
will have been done
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To my great joy．I got a chance to take a photo with Andy after the vocal concert, which I _____forward to for years．
#99617
A
have been looking
B
had been looking
C
looked
D
had looked
It _____ about twenty years since CCTV ____ to broadcast English programs.
#101693
A
has been; begun
B
is; began
C
is; has begun
D
was; began
--Growing population resulted in growing rubbish. --There is possibility that rubbish ________the major threat to human beings.
#100097
A
becomes
B
is becoming
C
became
D
would become
Over the past decades, the population in this country because of the rising birth rate, immigration and the declining death rate.
#99064
A
has been increasing
B
have been increasing
C
had increased
D
have increased
Many policemen and soldiers are ______ the forest _____ the prisoner escaping from prison.
#104519
A
searching for; searching
B
searching; searching
C
searching; in search of
D
in search for; searching for