Câu hỏi: Ancient people made a clay pottery because they needed it for their survival.

A. a clay pottery

B. because

C. it

D. their survival

Câu 1: Some of his favourite subjects at school are Maths, English and Geographical.

A. some

B. subjects

C. are

D. Geographical

Câu 2: Proteins are made up of folded irregularly chains, the links of which are amino acids.

A. made up of

B. folded irregularly

C. the links

D. which

Câu 3: Tenant farmers are those they either rent a farm and work it for themselves or work the farm for the owner and receive payment.

A. they

B. it

C. or

D. the owner

Câu 4: The most visible remind of the close relationship between the United States and France is the famous Statue of Liberty, which stands in New York habor.

A. remind

B. between

C. is

D. which

Câu 5: Although most species of small birds gather in groups at feeders provided by bird-watchers, the bright red cardinals usually appears alone or with its mate.

A. at

B. cardinals

C. or

D. its

Câu 6: It is very difficult for her to prevent him for smoking in her house.

A. very

B. for 

C. prevent 

D. for smoking