The infrastructure of a country is      makes everything run smoothly, including things like transport, irrigation, electricity, postal service, telephones and schools.
#69516
A
that
B
what
C
which
D
as
推荐题目
“It’s a long time since I enjoyed myself.” This sentence means______.
#74696
A
I enjoyed myself for a long time
B
I haven’t enjoyed myself for a long time
C
I want to enjoy myself
D
What a long time after I enjoyed myself
The clock was striking twelve ______ down the street. 
#74557
A
because I walked
B
as I walked
C
since I was walking
D
while I was walking
____ our mother will allow ____ to see a film after supper?
#69627
A
Who do you think; leaving
B
Who do you think; to leave
C
Do you think who; leaving
D
Do you think who; to leave