Câu hỏi: For thousands of years, man has created sweet-smelling substances from wood, herbs and flowers and using them for perfumes or medicine.

A. man

B. sweet-smelling

C. using them

D. or

Câu 1: It is important that cancer is diagnosed and treated as early as possible in order to assure a successful cure.

A. is diagnosed

B. treated

C. as early as possible

D. to assure

Câu 2: Mrs. Stevens, along with her cousins from Canada, are planning to attend the firework display in Da Nang, Vietnam.

A. with

B. her cousins

C. are

D. to attend

Câu 3: If you work hard, you would be successful in anything you do.

A. you work

B. would be

C. in

D. anything

Câu 4: After the police had tried unsuccessfully to determine to who the car belonged, they towed it to the station.

A. the police

B. unsuccessfully

C. who

D. it to

Câu 5: Mrs. Loan, along with her talented students, are going to be on the summer camp to USA.

A. along with

B. talented

C. are going

D. summer

Câu 6: Had it not been for you help me, I wouldn't have succeeded.

A. not

B. you help me

C. wouldn’t

D. succeeded