Study hard, _ _ you will pass the exam.
#55217
A
so
B
or
C
but
D
and
推荐题目
After you see the pictures, you will realize ______ danger the wildlife faces.
#56246
A
how many
B
how often
C
how much
D
how long
—______ does your mother go for a walk？ —Every afternoon.
#56080
A
How long
B
How often
C
How much
D
How many
- What's wrong with you, Madam? - I've lost my valuable painting. But a week had gone by _______ I knew it was missing.
#55958
A
while
B
since
C
until
D
before
I’m not sure if he _____ me . If I ________ , I will go with you.
#55737
A
will invite; will be invited
B
will invite; am invited
C
invite; will invite
D
invite; invite
More historical buildings in the old town will fall down ________we try our best to protect them.
#55384
A
if
B
since
C
unless
D
in order that