-Doyouneedmoretimetocompletethetask?-yes,anothertendays_____enough.
A. was
B. were
C. is
D. are
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Eightypercentoftheteachers______womenteachersinourschool.
A. is
B. are
C. be
D. was【
There_____alotofrubbishonthefloorsoIaskedMarytosweep_____up.
A. were;it
B. are;them
C. was;it
D. is;them
Threemilliontonsofcoal______everyyearinthecity.
A. isexploited
B. areexploited
C. hadexploited
D. haveexploited
Whatthechildreninthemountainvillageneed________goodbooks.
A. is
B. are
C. have
D. has