Câu hỏi: Some animals sometimes fool their enemies __________ to be lead.

A. to appear

B. appear

C. by appearance

D. by appearing

Câu 1: There is a flower shop in front _____ my house.

A. of

B. in

C. to

D. off

Câu 2: Where are _____ children? – They go to school.

A. the

B. you

C. a

D. an

Câu 3: London is famous for _____ red buses.

A. it’s

B. its

C. it

D. it is

Câu 4: Those students are working very _____ for their next exams.

A. hardly

B. hard

C. harder

D. hardest

Câu 5: Listen! Somebody __________ for help.

A. are screaming

B. scream

C. is screaming

D. has screamed

Câu 6: We always go __________ holiday __________ summer.

A. on/in

B. in/at

C. at/on

D. of/of