______they have been working hard to find?
#70400
A
Is that what
B
Is that
C
It is that
D
Is it that
推荐题目
Hot _______the night air was, we slept deeply because we were so tired after the long journey.
#68391
A
although
B
as
C
while
D
however
Beijing government puts more than 700 million yuan to increase its green space this year,____________ doubles the money provided last year.
#73398
A
as
B
while
C
that
D
which
His younger sister may already be in high school now, in ________ case this picture book is too childish for her.
#66784
A
that
B
which
C
whose
D
what
The problem many children have out of school is getting more and more serious.
#71609
A
that;dropped
B
which;got
C
of;fallen
D
as;run