________ thousands of Chinese students，Chuck has vast experience in the Chinese class.
#95700
A
Having taught
B
Taught
C
Teaching
D
To have taught
推荐题目
. Enough attention should be paid to _____ your pronunciation and intonation.
#97051
A
improve
B
improving
C
improved
D
be improve
________ for several weeks，the city needed food.
#89121
A
As having flooded
B
Being flooded
C
Having been flooded
D
To flood
The hotel ______now beside the park was designed by a group of young men.
#90786
A
to be built
B
built
C
being built
D
building
For some reason, we hurriedly ended our meeting, a lot of problems to be settled.
#92071
A
leaving
B
to leave
C
leave
D
left