Students in English-speaking countries usually address their man teacher ‘sir”, but __________ their woman teacher “madam”.
#81812
A
seldom they address
B
do they seldom address
C
seldom do they address
D
they seldom do address
推荐题目
By the side of the Bird’s Nest      , completed in 2008.
#81080
A
there standing the Water Cube
B
stands the Water Cube
C
does the Water Cube stand
D
the Water Cube stands
For a moment nothing happened Then _____   all shouting together. 
#84630
A
voices had come
B
came voices
C
voices would come
D
did voices come
So sudden ________that the enemy had no time to escape. 
#84632
A
did the attack
B
the attack did
C
was the attack
D
the attack was