When ______ comes to research into heart disease and its effects on the body, we do not have adequate substitutes for the use of animals.
#93492
A
that
B
it
C
this
D
what
推荐题目
-I'm sorry I'm late again But I…．-It's 'no use_______. It's the third time that You came late this week
#91994
A
complain
B
complained
C
to complain
D
complaining
.He arrived in Hollywood in 1964,____some time later,he became a foamous actor.
#95160
A
when
B
where
C
that
D
which
The employers often give the job to __________ they believe have work experience with a strong sense of duty.
#93037
A
whoever
B
those who
C
who
D
whomever
______ is no _______ arguing with Bill because he will never change his mind.
#92485
A
It, use
B
It, help
C
There, time
D
There, way
All the government leaders and policemen in Thailand must see to ______ that every citizen should stay safe and sound in the terrible flood.
#92959
A
all
B
everything
C
it
D
themselves