— Where is Mr. Wang?— He is not here. He must _______ the students’ papers in the office.
#101138
A
correct
B
have corrected
C
be correcting
D
corrects
推荐题目
Space exploration began in the 1960s, and since then about five hundred people into space.
#101989
A
have traveled
B
traveled
C
had traveled
D
are traveling
---- How could I thank you enough? ----Don’t mention it. Any other man ________ that.
#102253
A
would
B
will do
C
would have done
D
had done
Explorer Robert Ballard searched the sunken ship---the Titanic for more than 20 years and also, with his cameras, he _____ the hole along the side of the ship which had caused it to fill with water and sink.
#103294
A
could find
B
managed finding
C
succeeded to find
D
was able to find
I don't think she ____what happens to her children.
#99023
A
cares to
B
cares about
C
cares for
D
takes care of
—— Bob has gone to California.—— Oh, can you tell me when he _____?
#101904
A
has left
B
left
C
is leaving
D
would leave