---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
______ the work is difficult, all the workers are keeping on working .
#58370
A
But
B
Although
C
And
D
So
Don’t put your hand out of the car window, ______ you will be hurt by the passing traffic.
#56528
A
but
B
so
C
and
D
or
— ________ times a week do you go to the library? — Twice a week.
#56302
A
How long
B
How soon
C
How often
D
How many