That’s all for the introduction to your arrangements these days. So now ______ there are any questions, I’d like to go ahead and start the first video.
#31607
A
if
B
unless
C
until
D
though
推荐题目
I thought horseback riding would be the sport for me until I fell down from the horse back .As you can imagine ,I haven’t been invited back .
#79730
A
later
B
since
C
after
D
ever
Bad habits, _______ formed, are difficult, and sometimes impossible to shake off.
#31345
A
before
B
once
C
until
D
unless
You have failed two tests.You’d better start working harder,_______ you won’t pass the course.
#79810
A
and
B
so
C
but
D
or
____ a computer works is a question ___ not everyone cad answer quickly.
#34313
A
That；which
B
How；that
C
What；which
D
When；that