Sometimes proper answers are not far to seek ________ food safety problems.
#25334
A
in
B
to
C
on
D
after
推荐题目
He advised me to read an artile ___ reading ___ an American writer ___ senior Book 3.
#28759
A
about…by….through
B
of…from…in
C
on…..by…in
D
for….with…at
 If you keep on , you’ll succeed _____.
#28013
A
in time
B
at one time
C
at the same time
D
on time
Japan lies_____ the east of China ______the east of Asia.
#26232
A
in; on
B
to; in
C
on; to
D
to; on
 It was reported that many helicopters were sent there _________the missing passengers.
#27070
A
in search of
B
in need of
C
in charge of
D
in time of