Bill won’t make any progress_____he studies harder than before.
#58418
A
if
B
when
C
because
D
unless
推荐题目
—____ —They’re books.
#56277
A
Are these English books?
B
Are those English books?
C
How do you spell it?
D
What’re these in English?
I want to buy some postcards in the shop, _______ I don’t have enough money.
#57478
A
and
B
but
C
or
D
so
We can talk with friends on the Internet _______ it’s easier and cheaper.
#58260
A
though
B
as
C
or
D
but