You have failed two tests. You’d better start working harder, ____ you won’t pass the course.
#34819
A
and
B
or
C
but
D
so
推荐题目
39.When you read the book, you’d better made a mark ____ you have any questions.
#80395
A
at which
B
at where
C
place
D
where
is known to us all is that the Olympic Games will take place in Beijing.
#32042
A
It
B
What
C
As
D
Which
In the office an electrical engineer is looking through the instructions to know ________ the heat system works before the repair work.
#30344
A
whether
B
why
C
how
D
that
The other day，my brother drove his car down the street at________I thought was a dangerous speed.
#30058
A
as
B
which
C
what
D
that