Because of ______ high demand for Type AB blood, ______ supplies of it are usually limited．
#4619
A
the; the
B
/; /
C
/; the
D
a; the
推荐题目
--- Do you really mean to prepare our lecture two months in advance? --- Sure. Anyway, ___________
#4808
A
a good beginning is half done.
B
a bird in the hand is worth two in the bush.
C
a fall into a pit, a gain in your wit.
D
the early bird catches the worm.
All the dishes in this menu, ______ otherwise stated, will serve two to three people.
#5028
A
as
B
if
C
though
D
unless
Helen was much kinder to her youngest son than to the others, __________, of course, made the others envy him.
#4964
A
who
B
that
C
what
D
which
Have your working conditions improved?---No, ______than before, I’m afraid.
#4921
A
no better
B
a little batter
C
not worse
D
no worse
It was decades ago ________ I was in my teens ________ the Chinese government decided to reform the social economic system.
#4831
A
when; when
B
that; which
C
when; that
D
before; that