Food safety issues, ____ will seriously affect the growth of teenagers and even the nation’s future.
#94366
A
if not solved properly
B
not if solved properly
C
if solved properly
D
not if properly solved
推荐题目
. Tony was very unhappy for _______ to the party.
#98419
A
having not been invited
B
not having invited
C
having not invited
D
not having been invited
Could you show me the TV set you want _______?
#98508
A
to have repaired
B
to repair it
C
to have it repaired
D
it repaired
Generally speaking, the publishers will send you a specimen copy of their new books when ________.
#98498
A
requested
B
requesting
C
having requested
D
to be requested
Most of the professors _____ to our school were from South Africa．
#97944
A
invited
B
to be invited
C
being invited
D
had been invited
____ several times, the young scientist still kept on doing his experiments.
#92897
A
Having failed
B
Having been failed
C
Failed
D
To fail