语法词汇练习 语法大全 语法详解 英语听力 
---Sorry, I’m late for class again.---Is it ______ you stayed up last night?
#56457
A
why
B
how
C
because
D
when
下一题
推荐题目
In the end he entered his ideal school_________ his hard work．
#58187
A
because
B
so
C
because of
D
as
Be quick,          we'll be late for the meeting.
#56388
A
and
B
but
C
so
D
or
_______ we are both pretty outgoing, Pete’s better at sports.
#58492
A
Though
B
So
C
Or
D
Because
I didn’t go to bed ______ I finished all the homework last night．
#56473
A
when
B
after
C
while
D
until
I don’t know _____ or not he will come . _______ he comes , I will call you .
#55872
A
whether ; If
B
whether ; Whether
C
if ; If
D
if ; Whether