Câu hỏi: ........... morning, a stranger knocked at my door.

A. x

B. a

C. the

D. one

Câu 1: ......... man will bring ......... nature under control.

A. The , Ø

B. Ø, Ø

C. Ø, the

D. The , the

Câu 2: Jasmine is ........... most diligent of the five.

A. an

B. x

C. the

D. a

Câu 3: Let's go and watch those students play .......... cards.

A. an

B. a

C. x

D. the

Câu 4: Is Professor Su going to have ......... X-ray check.

A. x

B. a

C. the

D. an

Câu 5: ........ Fords did manage to send ......... Ford to a music school.

A. The, Ø

B. Ø, Ø 

C. An, an

D. Ø, a

Câu 6: This is ........... only discount I can offer you.

A. x

B. one

C. an

D. the