_______ his return from America, he got down to his research.
#92169
A
While
B
In
C
As
D
On
推荐题目
A lot of small towns in Nanchong are definitely worth_____.
#92572
A
visiting
B
visited
C
to be visited
D
being visited
Let those in need________that we will go all out to help them.
#91949
A
to understand
B
understand
C
understanding
D
understood
I think the Rockets is the strongest team and there is _______ that it will win the competition.
#93486
A
no chance
B
no way
C
no doubt
D
no wonder