There are usually 28 in a person’s mouth, so we should listen to the doctor’s ______ to protect（保护）them.
#44312
A
tooth, advice
B
teeth, advice
C
toothes, advices
D
teethes, advices
推荐题目
----- What does Canada export?---- A large quantity of wheat_____ sent away.
#86299
A
is
B
are
C
have
D
is being
– A number of students ____ in the dinning hall.-- Let me count. The number of the students ____ about 400.
#43984
A
are, is
B
is, are
C
are, are
D
is, is
E-mail, as well as the telephone, ___________ an important part in daily communication.
#85616
A
is playing
B
have played
C
are playing
D
play