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
We shouldn’t think barefoot running strange. It’s normal, fun and comfortable if _____ properly.
#96472
A
doing
B
to do
C
done
D
being done
Please tell me the problems ________ at yesterday’s meeting quickly. The manager is calling me!
#90889
A
being discussed
B
to be discussed
C
discussed
D
having discussed
Please make my excuse at tomorrow’s meeting--- I’ve got too much work _____.
#98050
A
to do to come
B
doing coming
C
to do coming
D
doing to come
________ to overcome the difficulty，he works day and night．
#95399
A
Determined
B
Determining
C
To determine
D
To be determined
________ thousands of Chinese students，Chuck has vast experience in the Chinese class.
#95700
A
Having taught
B
Taught
C
Teaching
D
To have taught