A、 Because she could not understand her son.
B、 Because she wondered if her son had speech delay.
C、 Because she was concerned about her son.
D、 Because her two-year-old son spoke many words.
答案：B
A、 Because she could not understand her son.
B、 Because she wondered if her son had speech delay.
C、 Because she was concerned about her son.
D、 Because her two-year-old son spoke many words.
答案：B
A. Mother and son.
B. Brother and sister.
C. Husband and wife.
D. Father and daughter.
A. Lyft.
B. Uber.
C. Airbnb.
D. Just Park.
A. Since
B. When
C. Because
D. unless
E.
F.
G.
H.
I.
J.
解析：
A. can
B. should
C. will
D. may
A. They misunderstand each other
B. They lie to each other.
C. They trust each other.
D. They hate each other.
A. Toddler (幼儿)speech development.
B. Music for parents.
C. Eager parents.
D. Children＇s first words.
A. A dog.
B. A stranger.
C. A blue car.
D. A red car.
A. Zoos should not prolong animals5 life.
B. Animals should live their own way.
C. Wild animals should not be rescued.
D. Cages should be removed from the ZooS.
A. They became friends to know each other.
B. The books were scattered (散落 )all over.
C. They had trouble with their studies.
D. Things were getting better.
