The boy lost his key, so he has no choice but         till his mother came home.
#96492
A
waited
B
waiting
C
wait
D
to wait
推荐题目
Can you imagine_______such a mean person? 
#97745
A
she marrying
B
her to marry
C
her marrying
D
that her marrying
How pleased the detective was _____ what his customer told him!
#98578
A
hearing
B
heard
C
to hearing
D
to hear
The professor explained this theory so clearly that this phenomenon was easy enough ________.
#95942
A
for us to work out
B
working out
C
for working out
D
to working out