---Sorry, I’m late for class again.---Is it ______ you stayed up last night?
#56457
A
why
B
how
C
because
D
when
推荐题目
---Did you hear the rain? ---______ .
#55536
A
Until 30 minutes
B
Until 30 minutes later
C
Not until 30 minutes
D
Not until 30 minutes later
Everyone tells me I'm a good speaker, ______ I really don't like speaking in public.
#55370
A
and
B
but
C
so
D
or
The cost of living in Chengdu is among the lowest in China, ________ the quality of life is probably one of the highest.
#56003
A
since
B
when
C
as
D
while
—Mary，I don’t know ____ you can come tomorrow morning.—No problem! I’ll be here _____I’m free then.
#55784
A
if；if
B
if; whether
C
whether；till
D
whether；until