Don’t turn off the computer before closing all programs, _________ you could have problems.
#30878
A
or
B
and
C
but
D
so
推荐题目
— Will you go to Sarah’s wedding party?—No, ____ invited. I’m too busy to get away.
#30834
A
unless
B
even though
C
if
D
when
—Are you guys ready for “The Campus Singers Competition”?—Sure！Since we are young, try it, _____ we will regret!
#31137
A
and
B
but
C
or
D
then
Choosing the right dictionary depends on ________ you want to use it for.
#29970
A
what
B
why
C
how
D
whether
As many as five courses are provided, and you are free to choose_______ suits you best.
#31464
A
whatever
B
whichever
C
whenever
D
wherever