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
Shenzhou-VIII has docked with Tiangong-I successfully, ________ the start of the establishment of China’s own space station．
#91838
A
marked
B
to mark
C
marking
D
having marked
I stayed up late doing my homework yesterday, so I had trouble _____ up early this morning.
#89902
A
get
B
getting
C
got
D
to get
The bird was lucky that it just missed __________ .
#94427
A
catching
B
being caught
C
to be caught
D
to catch
During the opening ceremony, “Miss Smile” has won the hearts of Chinese Internet users after being caught _____ the same smile for nearly 20 minutes．
#95597
A
fixed
B
to be fixed
C
to fix
D
fixing
It _____ Sunday, I didn’t need to go to work.I tidied all the cupboards of my apartments.
#93052
A
being
B
is
C
to be
D
been