—Would you like to go hiking with us this Sunday? —Sure, _______ I am busy.
#57786
A
until
B
when
C
unless
D
since
推荐题目
You shouldn’t keep a pet _______________ you have enough time to care for it.
#56035
A
if
B
unless
C
though
D
when
I’ll go to visit my aunt in England _____ the summer holidays start..
#56422
A
while
B
since.
C
until
D
as soon as
My sister is only five, but she always tells me ____ my pictures are good or not.
#58117
A
if
B
whether
C
that
D
how
None of them knew what happened __________we told them about it.
#57554
A
since
B
after
C
until
D
while
—How can I learn English well?—You will learn it well ________ you practice speaking it often.
#56660
A
unless
B
as for
C
as soon as
D
as long as