About _______ gene-targeting drugs are already in testing pipeline. It won’t be long ______ they are put into effect.
#14337
A
two dozen; before
B
two dozens; that
C
two dozens of; before
D
dozens; that
推荐题目
—Hello！I want to book a double room.—Sorry.There is no double room ________.
#11183
A
suitable
B
available
C
comfortable
D
cheap
“Tommy，run！Be quick！The house is on fire！”the mother shouted，with ________ clearly in her voice.
#11191
A
anger
B
rudeness
C
regret
D
panic
(2013·哈尔滨四校高三一模)In fact fuels we burn and plant food we eat ________ their chemical energy in the form of heat.
#11406
A
give in
B
give off
C
give away
D
give up
----Why don’t you ______ to a more sensible method? ----Well, I’m thinking about it.
#13037
A
switch on
B
switch off
C
switch over
D
switch through