You can’t be ______ when you camp _____ a high altitude, ________ the air is thin.
#19622
A
enough careful; at; which
B
too careful; at; where
C
careful enough; on;at which
D
too careful; on; that
推荐题目
In today’s fast changing and competitive world, to be able to learn faster and more effectively is not merely desirable; it is ________.
#17700
A
essential
B
worthwhile
C
challenging
D
sufficient
It’s bad manners to keep _______ when your teacher asks you a question.
#18147
A
still
B
silent
C
quiet
D
calm
It was most of you to lend me money when I was in trouble.
#20532
A
selfish
B
generous
C
relieved
D
outgoing
_____should not be allowed to go out at night.
#34925
A
Twelve-year-old
B
Twelve-year-olds
C
Twelve year old
D
Twelve years old
Jack is late again. It is ____ of him to keep others waiting.
#19504
A
aggressive
B
appropriate
C
desperate
D
typical