We can’t ____ the punctual arrival of trains in foggy weather.
#18962
A
be sure
B
guard
C
guarantee
D
make sure
推荐题目
Nowadays college graduates have to be highly______ to find an ideal job.
#19803
A
competitive 
B
sensitive
C
attractive
D
acceptable
 ---What do you think of the person?---Seldom in all my life________ such a _________ person.
#17862
A
I met; determining
B
have I met; determining
C
I met; determined
D
have I met; determined
When there's doubt the examiner's decision is _____.
#20500
A
right
B
final
C
definite
D
fixed
This is a(n) _______ mistake among the Chinese English beginners.
#19775
A
common
B
general
C
normal
D
ordinary