I have always regretted ______ harder at school.
#64810
A
not to study
B
to not study
C
having not studied
D
not having studied
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The number of the students is_________ rapidly in our school.
#72389
A
expanding
B
stretching
C
extending
D
expecting
His success ____ the fact ____ he had been working hard. 
#84175
A
put in; which
B
led to; because
C
lay in; that
D
got in; that
Hearing the news, she _____________.
#69308
A
burst into tears
B
burst into crying
C
burst crying
D
burst of crying.