Bill won’t make any progress __ he studies harder than before.
#58046
A
if
B
when
C
because
D
unless
推荐题目
–______do you spend your weekends, Susan? - I usauslly learn to play the piano in a music club.
#56295
A
What .
B
How
C
Why
D
Where
— When will you come to Daqing?— I will call you _____I arrive.
#58231
A
till
B
while
C
as quickly as
D
as soon as
–I argued with my best friend. What should I do?–_______ you feel sad, you should write a letter and say sorry.
#56531
A
But
B
If
C
So
D
Unless
I took out my notebook and wrote down my teacher’s new phone number I forgot it.
#55195
A
until
B
before
C
when
D
since