The “Warning” reads: “Under no circumstances _____ be kept near fire!”
#81209
A
the chemical should
B
the chemical shouldn’t
C
should the chemical
D
should the chemical not
推荐题目
Never before ___________in greater need of technical experts than it is today.
#84456
A
has Shenyang been
B
Shenyang has been
C
was Shenyang
D
Shenyang was
 At no time ________ the rules of the game. It was unfair to punish them.
#79582
A
they actually broke
B
do they actually break
C
did they actually break
D
they had actually broken