If ____ unsolved, the problem of food safety may lead to more serious results.
#94614
A
making
B
remained
C
left
D
taking
推荐题目
_____ of danger in the street at night, she had to go home, with a friend ____ her.
#98646
A
Warning, following
B
Having warned, following
C
Having been warned, following
D
Warned, followed
---He admitted __________in the examination. ----That’s why he was not admitted _____ universities.
#94451
A
to cheat; by
B
cheating; to
C
to cheat; to
D
cheating; by
His play was popular and every time ______about it, he owed his success to the support of his friends.
#94041
A
talking
B
talked
C
to talk
D
when talking
The heavy snow lasted for a week, _____ serious traffic confusion in the whole area.
#91875
A
causing
B
caused
C
having caused
D
being caused
I can’t stand ______ with Jane in the same office. She just refuses ________ talking while she works.
#90615
A
working ; stopping
B
to work ; stopping
C
working ; to stop
D
to work ; to stop