______ has an internal clock that regulates the beating of our hearts, and the ______ of our breathing.
#13261
A
Mankind; step
B
Human; pace
C
Human being; step
D
Man; pace
推荐题目
Do you think that bridge ____ 2,000 meters long? It doesn’t seem ____ long.
#10939
A
measures, that
B
is measured, so
C
is measured, such
D
measures, much
Being afraid of making mistakes,the little boy ____answer his teacher’s question.
#12178
A
does dare
B
doesn’t dare to
C
daren’t
D
not dare to
(2012·江苏高考)Days later, my brother called to say he was all right, but ________ say where he was.
#11316
A
mustn't
B
shouldn't
C
wouldn't
D
mightn't
They were very ________ when they heard the ________ news that he would come back in two days.
#11646
A
surprising; surprised
B
surprising; surprising
C
surprised; surprising
D
surprised; surprised
The new law states that people ________ drive after drinking alcohol.(2012·上海)
#11452
A
wouldn't
B
needn't
C
won't
D
mustn't