Question

oops.

第二十一題，我要怎麼分辨何時用are何時用do呢？求解🙏

your son do?
A)
a
(A) can
DBX
(A) enjoys
(B) enjoyed
(C) enjoying
(D) to enjoy
精熟題大展身手
20. Louis: What
Mrs. Wu: Ride a bike. Besides, he can also roller-skate.
(B) does
(C) is
(D) will
21. Mrs. Huang: Your sweater is too small. Why you buy a new one?
Joyce: It means a lot to me. I will think of my mom if I wear it.
Mrs. Huang: No wonder you often wear it.
ALLGAS
no wonder 難怪
(A) aren't
(B) can't
(C) didn't ☆ (D) don't
Josh: Wow! You got the best grade in math this time.
Wendy: I study math for an hour every day.
Josh: Well, I'm not interested in math.
(A) Don't you?
(B) Didn't you?
(C) Aren't you?
(D) Can't you?
Tun Do you ever go bicycle riding around the lake?
Q(A2

Answer 1

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CC

看有沒有一般動詞，一般動詞要借助動詞才能形成問句。

CC

像buy就是一般動詞，形成問句就需要助動詞，B的can也是助動詞，但是語意不對。
像是Where are you from?=Where do you come from?，有一般動詞come，所以需要借do形成問句。

oops.

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