The students had the lights              for almost three hours.
#97039
A
to burn
B
burning
C
burnt
D
to be burning
推荐题目
Glass milk bottles can be used again and again, but they need __________ thoroughly, ____they?
#97943
A
to clean, needn’t
B
cleaning,don’t
C
clean, aren’t
D
cleaned, can’t
The people you find most diffcult      can also be your most valuable teachers.
#96326
A
dealing with
B
to be dealt with
C
to deal with
D
being dealt with