Everyone here will thank the firefighters for the things they did to prevent fires ________the environment safer.
#89772
A
to make
B
make
C
making
D
from making
推荐题目
He studied hard, __________ the exam.
#93042
A
aim at
B
aiming at passing
C
aiming passing
D
aiming to passing
(2013·重庆高考)When I was little, my mother used to sit by my bed, ________ me stories till I fell asleep.
#89020
A
having told
B
telling
C
told
D
to tell
The officer gave orders that anyone_____ a gun should be reported to the police station.
#89684
A
seen taking
B
see taken
C
seeing take
D
sees take
Tom always prefers _________on foot rather than _______ a bike.
#95685
A
walk; ride
B
walk; riding
C
to walk; ride
D
riding; to ride