I just don't understand_____________ that prevents so many Americans from being as happy as one might expect.
#85501
A
why it does
B
what it does
C
what it is
D
why it is
推荐题目
It was on a cold winter evening _____ his father left home and was never back.
#85338
A
where
B
when
C
which
D
that
It was in the street where a serious accident happened last week ______another happened yesterday.
#84797
A
which
B
that
C
what
D
how
(2014·长沙四校联考)It was only when I reread his poems recently________I began to appreciate their beauty.
#84670
A
until
B
that
C
then
D
so
—What did he want to know,Anne?—_______I could finish writing the report.
#85161
A
When it was that
B
It was when that
C
It was when
D
When was it that
It was not until mid-night _____ he went back home after the experiment.
#85177
A
when
B
/
C
that
D
before