around the lab, we were taken to see the library.
#95015
A
Being shown
B
Showing
C
Having been shown
D
To show
推荐题目
It can be cheaper to buy a new washing machine than to get your old one _____. 
#98750
A
repaired
B
to repair
C
repairing
D
having repaired
When he ______the door, he found his keys were nowhere.
#88230
A
would open
B
opened
C
had opened
D
was to open
He left the place, _____never _______back again.
#97179
A
determined; to come
B
being determined; to come
C
determined; coming
D
determining; coming
Jack, who claimed ______ everything clearly, however, he told a lie.
#90533
A
to have heard
B
to hear
C
having heard
D
hearing