---They are quiet,aren’t they?---Yes. They are accustomed ________at meals.
#92971
A
to talk
B
to not talk
C
to talking
D
to not talking
推荐题目
Look around when _____ the street. 
#98251
A
across
B
crossing
C
crossed
D
to be crossing
Don’t leave the water ________ while you brush your teeth. 
#94420
A
run
B
running
C
being run
D
to run
It seems you need to apologize quickly ______ a good friend. 
#95570
A
avoiding to lose
B
to avoid losing
C
avoiding losing
D
to avoid to lose