.Your son has kept _________ for two hours. You’d better ask him to have a rest.
#51260
A
study
B
studied
C
to study
D
studying
推荐题目
----Martin Murray used to be afraid of ______ alone. ----But now he realizes that his mother is always there for him.
#48786
A
is
B
was
C
be
D
being
—I worry about ______ enough time and energy to finish that job.—Don’t worry about it. I’ll help you!
#50063
A
not having
B
not have
C
didn’t have
D
don’t have
I would rather the chance than her.
#49770
A
not to take; to hurt
B
not taking; hurting
C
not take; hurt
D
don’t take; to hurt