1. Su Hai and Su Yang
are
twin sisters.
2. Wang Bing and I
are
school volunteers(校園志愿者) today.
3. This
is
Mike Brown. He
is
a new student.
4. I
am
Liu Tao. This
is
my teacher，Miss Li.
5. Yang Ling
is
my friend. She
is
a good girl.
6. —
Are
you Tina? —Yes，you
are
right.
7. —Where
are
you, Bobby? —Ha! Ha! Here I
am
.
8. —What class
are
you in? —I
am
in Class 6.
答案：1. are
解析：主語(yǔ)“Su Hai and Su Yang”是復(fù)數(shù)，be動(dòng)詞用are。
2. are
解析：主語(yǔ)“Wang Bing and I”是復(fù)數(shù)，be動(dòng)詞用are。
3. is, is
解析：“This”是單數(shù)，be動(dòng)詞用is；“He”是第三人稱(chēng)單數(shù)，be動(dòng)詞用is。
4. am, is
解析：主語(yǔ)“I”后用am；“This”是單數(shù)，be動(dòng)詞用is。
5. is, is
解析：“Yang Ling”和“She”都是第三人稱(chēng)單數(shù)，be動(dòng)詞用is。
6. Are, are
解析：主語(yǔ)“you”用are，句首首字母大寫(xiě)；“you”后用are。
7. are, am
解析：主語(yǔ)“you”用are；“I”后用am。
8. are, am
解析：主語(yǔ)“you”用are；“I”后用am。
1. Lele is introducing his friends to his mum.
Lele: Look at the picture，Mum.
Lele's mum:
Are
they your classmates(同學(xué))?
Lele: Yes. This
is
Kaikai.
He's
my
friend
. This
is
Susu. She's my friend too.
2. Lele invites(邀請(qǐng)) Kaikai to his home. They meet Lele's mum.
Lele: Mum，
this
is
Kaikai.
Kaikai: Good afternoon，Aunty(阿姨).
Lele's mum: Good
afternoon
. Nice to meet you，Kaikai.
Kaikai:
Nice
to
meet
you too.
答案：1. Are, is, He's, friend, is
解析：第一空，主語(yǔ)“they”用Are；第二空，“This”后用is；第三空，Kaikai是男性，用He's；第四空，介紹朋友，用friend；第五空，“This”后用is。
2. this is, afternoon, Nice, meet
解析：介紹他人用“This is...”；上文Kaikai說(shuō)“Good afternoon”，回應(yīng)也用“Good afternoon”；“Nice to meet you”的回應(yīng)是“Nice to meet you too”。
