Câu hỏi: When mining for gold, you must first obtain the gold ore and then apart the gold from the ore.

A. When mining

B. must first

C. and then

D. apart

Câu 1: He has made a lot of mistakes in his writing because his carelessness.

A. made

B. mistakes

C. in

D. because

Câu 2: A warning printed on a makeshift lifebuoy says: “This is not a life-saving device. Children should be accompany by their parents.”

A. printed

B. makeshift lifebuoy

C. device

D. accompany

Câu 3: If you need to keep fit, then why not take on a sport such as badminton or tennis?

A. to keep

B. why not take

C. on

D. a sport such as

Câu 4: I was amazed that Smith showed so few grief at his mother’s death.

A. was

B. amazed

C. showed

D. few

Câu 5: In the early 1900's, Pennsylvania's industries grew rapidly, a growth sometimes accompanied by disputes labor.

A. the early 1900’s

B. industries

C. accompanied by

D. labor

Câu 6: It was not until the end of prehistoric times that the first wheeled vehicles appearing

A. It was

B. prehistoric

C. wheeled vehicles

D. appearing