—Why are you so busy, Mike ? —I ______ a novel these days.
#100418
A
was writing
B
wrote
C
am writing
D
have written
推荐题目
When he looked up, he suddenly found himself by a group of teenagers, looked at him anxiously.
#103267
A
to be surrounded; which
B
surrounded; who
C
be surrounded; who
D
having been surrounded; which
Yesterday, when I went to his office, he ______ online for some information. I think it will be an interesting lecture.
#102100
A
searched
B
was searching
C
would search
D
has searched
We are confident that the environment ________ by our further efforts to reduce pollution.
#100189
A
improves
B
will be improved
C
has improved
D
was improved
More than one student in our class _________ to Shanghai Expo.
#103348
A
has been
B
have been
C
is
D
are
She insisted that we ________ the source of the river and begin our journey there.
#103068
A
find
B
found
C
had found
D
would find