. --So hard __________ in the past few months that he has made great progress in English. --I can see that, only a few mistakes he made in this exam.
#103811
A
he worked
B
did he work
C
he has worked
D
has he worked
推荐题目
She couldn’t her words by the students even if she repeated them once again..
#101805
A
get…understanding
B
get…understood
C
get… to understand
D
make…understand
---What’s that terrible noise?---The neighbors ____for a party.
#100571
A
have prepared
B
are preparing
C
prepare
D
will prepare
—Have you heard about the recent election?—Sure, it _______ the only thing on the news over the last three days.
#100108
A
would be
B
is
C
has been
D
had been
—You seem to be familiar with this city．—I here for three years．It's great to be back．
#101312
A
have lived
B
lived
C
had lived
D
live
Scientists say they have found a way to produce the human body’s own cancer-killing cells through gene treatment, ______ new hope to cancer sufferers.
#104708
A
offering
B
showing
C
taking
D
making