1, Liz bought many sovenirs in HCM City

(-) Liz didn't buy many sovenirs in HCM City

(?) Did Liz buy many sovenirs in HCM City

Giải thích: bought = QKĐ

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-2, I was very tired after the trip

(-) I wasn't very tired after the trip 

(?) Were you very tired after the trip?

Giải thích: was = QKĐ, trả lời I = hỏi you, tobe của you = were 

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3. They are watching my father’s new motorbike. 

(-) They aren't watching my father's new motorbike

(?) Are they watching my father's new motorbike?

Giải thích: Có tobe + Ving = HTTD

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4. We visited Cham Temples last month.

(-) We didn't visit Cham Temples last month.

(?) Did you visit Cham Temples last month?

Giải thích: Có last month = QKĐ

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5. Trung’s brother goes on holiday in Ha Long Bay every summer.

(-) Trung’s brother doesn't go on holiday in Ha Long Bay every summer.

(?) Does Trung’s brother go on holiday in Ha Long Bay every summer?

Giải thích: goes + every summer = HTĐ

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6, They will take their soon to the zoo next weekend.

(-) They won't take their soon to the zoo next weekend.

(?) Will they take their soon to the zoo next weekend?

Giải thích: will + next weekend = TLĐ

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7, My parents live in the countryside.

(-) My parents don't live in the countryside.

(?) Do your parents live in the countryside?

Giải thích: do + V(o) = HTĐ

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8, Tom gave me some American stamps five days ago.

(-) Tom didn't give me some American stamps five days ago.

(?) Did Tom give me some American stamps five days ago?

Giải thích: gave + five days ago = QKĐ

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9, Mrs. Oanh is our new literature teacher.

(-) Mrs. Oanh isn't our new literature teacher.

(?) Is Mrs. Oanh our new literature teacher?

Giải thích: is + cụm dt = HTĐ

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10, There was a toy store next to the museum

(-) There wasn't any toy store next to the museum

(?) Was there any toy store next to the museum?

Giải thích: was = QKĐ; Phủ định + câu hỏi = any

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ỦNG HỘ MIK NHA!!!!!!!!!!!!!!!! CHÚC BN HỌC TỐT:)))))))))))))))))))