It was not until mid-night_______ they reached the camp site.
#85070
A
that
B
when
C
while
D
before
推荐题目
—I’d like a pen which _________ well.—Will this one _________?
#85490
A
writes; do
B
writes; work
C
is written; do
D
is written;work
Would you please explain___you do to make .your students so interested in your lessons?
#84713
A
what is it that
B
that what is it
C
that what it is
D
what it is that
The question that puzzles them is ___they can finish the work on time. 
#84854
A
what it is that
B
what is it that
C
how is it that
D
how it is that