When ____ help, you should say “thank you.” or “It is kind of you”.
#80748
A
offering
B
offered
C
To be offered
D
to offer
推荐题目
Only when the villagers were faced with water shortage___ how serious the problem of water pollution was．
#84498
A
did they realize
B
will they realize
C
they did realize
D
were they realized
_____ that it was sold out when it came out.
#82888
A
So was her successful book
B
So successful was her book
C
So her book was successful
D
So successful her book was
Only if enough evidence is discovered _______ in the existence of the monster.
#81375
A
will people believe
B
people will believe
C
shall people believe
D
people shall believe
Only after they had discussed the matter for a few hours _______a decision
#82229
A
they reached
B
did they reach
C
they reach
D
do they reach
How frequently _______, the works of Shakespeare always attract many people.
#80666
A
performed
B
performing
C
being performed
D
to be performed