－Where did you put the car keys?－Oh, I ______ I put them on the chair because the phone rang as I _______ in.
#103998
A
remembered; come
B
remembered; was coming
C
remember; come
D
remember; was coming
推荐题目
—Has your son come back from abroad for the winter vacation?—Yes. But he stayed at home for only a week. Now he back to college.
#102126
A
went
B
has gone
C
was going
D
will go
Scientific experiments __________ by students without the teachers’ instructions can be dangerous.
#103839
A
carry out
B
carrying out
C
carried out
D
carrying
To our delight, up till now, the European Union, Japan, and Russia ________ their targets for CO2 emissions (排放).
#103852
A
give
B
have given
C
give
D
gave
—What’s that terrible noise?—The neighbors_______for a party.
#103917
A
have prepared
B
are preparing
C
prepare
D
will prepare
—Have you handed in your schoolwork yet?—Yes,I have.I guess it _______ now.
#104073
A
has graded
B
is graded
C
is being graded
D
is grading