Alice, you’d better put the vase away ________ it gets broken.
#31323
A
when
B
before
C
unless
D
while
推荐题目
—Will you go to Mary’s birthday party?—No, ____ invited, I can’t go to it. I’ll be too busy then.
#80120
A
if
B
unless
C
even though
D
when
When Peng Liyuan stepped off the plane in Moscow, the whole world wanted to know ________ dressed the elegant first lady.
#31387
A
what
B
who
C
how
D
that
Do you have any idea it takes to successfully reach the top of Mount Everest?
#31635
A
whether
B
how
C
which
D
what
_______ didn't attend the lecture yesterday won't be given full marks.
#30310
A
Any one
B
Whoever
C
Who
D
The person