—Please go on with your demonstration．—But where was I?—Well, you_____the two chemicals together．
#95249
A
tried to mix
B
were trying to mix
C
were trying mixed
D
had tried to mix
推荐题目
________ to work overtime that evening, I missed a wonderful film.
#93085
A
To be asked
B
To ask
C
Having asked
D
Having been asked
_______to reach them on the phone, we sent an email instead.
#98740
A
Fail
B
Failed
C
To fail
D
Having failed
_____ by Japan's "purchase" of the Diaoyu Islands, China and Japan lose the opportunity of the 40th anniversary of normalization of diplomatic ties to further promote the bilateral (双边的) relations.
#90904
A
Affected
B
Affecting
C
Having affected
D
To be affected
I haven’t seen Li Lei these days. He was said _____ to the hospital to receive treatment.
#92339
A
to take
B
to have taken
C
to be taken
D
to have been taken
_______our English teacher,our English has been greatly improved.
#96825
A
Thanks to
B
Thank for
C
But for
D
Except for