Food safety is one of the problems now all over the world.
#91716
A
discussed
B
to be discussed
C
being discussed
D
having been discussed
推荐题目
The foreigner tried his best, but he still couldn't make his point _____.
#98272
A
understand
B
understanding
C
to understand
D
understood
Whenever she saw the young man, she would feel her heart __________.
#96079
A
striking
B
beating
C
hitting
D
knocking
The picture _______ on the wall is painted by my nephew.
#98609
A
having hung
B
hanging
C
hangs
D
being hung
Who did the teacher have ___ an article for the wall newspaper just now?
#90686
A
writing
B
write
C
to write
D
written
—Robert is indeed a wise man.—Oh，yes.How often I have regretted ______ his advice!
#98141
A
to take
B
taking
C
not to take
D
not taking