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
There is nothing interesting   at present.
#97792
A
go on
B
going on
C
to go to
D
goes on
 Mr Smith, _____of the_________speech, started to read a novel.
#98125
A
tired; boring
B
tiring; bored
C
tired; bored
D
tiring; boring