—They are quiet, aren’t they? —Yes. They are accustomed ______ at meals.
#96796
A
to talk
B
to not talk
C
to talking
D
to not talking
推荐题目
Not knowing his address , she had some difficulty ________ his house.
#95421
A
finding
B
to find
C
found
D
find
Why pleasant smells do not reduce pain in man is a question still _______ by scientists.
#97245
A
answered
B
being answered
C
to be answered
D
that answered
His mother always keeps telling him to ______ his table manners.
#96961
A
care
B
observe
C
mind
D
notice
Jane established a program, ____ young people to take part in activities ____ promote greater concern for the environment．
#96106
A
to encourage; where
B
having encouraged; where
C
encouraging; that
D
encouraged; which