—Can those  at the back of the classroom hear me?—No problem, sir !
#89426
A
seat
B
seating
C
seated
D
sit
推荐题目
It rained last night and the flowers don’t need_____, so he ______water the flowers.
#94314
A
being watered; doesn’t need to
B
watering; needn’t to
C
to water; needn’t
D
to be watered; doesn’t need to
To avoid _________ on how to operate the machine, you should first read theinstructions carefully.    
#93839
A
to get confused
B
getting confused
C
to get confusing
D
getting confusing