—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
Mrs. White found her husband ___by letters and papers and___ very worried.
#88220
A
surrounding ; looked
B
surrounded ; looked
C
surrounding; looking
D
surrounded ; looking
No one enjoys _______ at.
#97176
A
laughing 
B
to laugh
C
being laughed
D
to be laughed
A new technique ____ out, the yields (收成) increased by 20% .
#98832
A
having working
B
having been working
C
has worked
D
had been worked
Our school was going to send a teacher to Xinjiang . I was the first person _______ to go.
#89744
A
volunteer
B
to volunteer
C
volunteered
D
volunteering
I prefer ______ washing to ______.                  
#97398
A
doing; cooking
B
do; cook
C
doing; cook
D
do; cooking