_____ I admit that all these problems are difficult, I don’t agree that they cannot be solved.
#31404
A
Unless
B
While
C
Until
D
Since
推荐题目
. What the doctors really doubt is ______ my mother will recover from the serious disease soon.
#34555
A
when
B
how
C
whether
D
why
It’s going to be some time _____ he sees his father again, _____ business has just been started in Switzerland．
#32577
A
after; who
B
before; whose
C
when; whose
D
since; who
— Where is my English book?— I brought it to you _____you were in hospital yesterday afternoon.
#80227
A
since
B
if
C
once
D
while
Whatever is left over may be put into the refrigerator，________ it will keep for two or three weeks.(2011·安徽)
#30498
A
when
B
which
C
where
D
while
—Will you go to Tom’s birthday party tomorrow?—No，________invited to, for she is the last person I’d like to see.
#33364
A
unless
B
even though
C
when
D
until