Cars make our life easier, _________ they bring environment problems.
#56370
A
as
B
or
C
but
D
so
推荐题目
The boy ___________ go to bed _________ his mother came back.
#58156
A
won’t ; until
B
didn’t ; until
C
will ; until
D
won’t ; before
—_____________________? —She is a nurse.
#55884
A
Who is your mother?
B
Is your mother a nurse?
C
Where is your mother？
D
What does your mother do？
—Uncle John is badly ill these days.—Sorry to hear that. he leaves the bad factory, he won’t be able to get better.
#56459
A
If
B
Though
C
Since
D
Unless