David doesn’t give up _______ he has failed in the experiment four times.
#57463
A
if
B
while
C
though
D
since
推荐题目
—_______ will the new school be started? —In two years.
#55463
A
How long
B
How far
C
How often
D
How soon
He’s not a perfect child. He sometimes talks back ____ his parents talk with him.
#55216
A
if
B
before
C
when
D
until
It’s very nice ____ some money to me .
#57699
A
of you to lend
B
for you to lend
C
for you to borrow
D
of you to borrow
---Why is the little boy crying over there? -----He is too short to reach ___ the toy bear ___ the toy car on the shelf?
#55650
A
both …and
B
either …or
C
neither….nor
D
not…but[
I don’t have to live in the hotel ____ my friend provides a very good place for me.
#57138
A
because
B
if
C
until
D
because of