Everyone here will thank the firefighters for the things they have done to prevent fires _______ the environment safer.
#98466
A
make
B
to making
C
to make
D
from making
推荐题目
“Things________never come again！” I couldn’t help talking to myself.
#94217
A
lost
B
losing
C
to lose
D
have lost
--- You did very well at the meeting, Black. --- Well, I regret ___________ that to the boss.
#90367
A
say
B
to say
C
said
D
saying
We had an anxious couple of weeks _____ for the results of the experiment.
#97903
A
wait
B
to be waiting
C
waited
D
waiting
During the opening ceremony, “Miss Smile” has won the hearts of Chinese Internet users after being caught _____ the same smile for nearly 20 minutes.
#96400
A
fixed
B
to be fixed
C
to fix
D
fixing
I smell something ________ in the kitchen.Can I call you back in a minute?
#93097
A
burning
B
burnt
C
being burnt
D
to be burnt