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 300 hundred years ago _______ this historic temple was built by a wealthy Mandarin.
#84850
A
since
B
when
C
that
D
before
_____ it is _____ you obtain, you should share _____ your parents your feelings.
#85049
A
What; /; to
B
Whichever; that; with
C
Whatever; that; with
D
Which; /; to
It was along the Mississippi River _____ Mark Twain spent much of his childhood.
#85009
A
how
B
which
C
that
D
where
It is in the year of 2010__________ a severe drought hit Yunnan province.
#84862
A
until
B
that
C
before
D
when