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

A. to appear

B. appear

C. by appearance

D. by appearing

Câu 1: Those students are working very _____ for their next exams.

A. hardly

B. hard

C. harder

D. hardest

Câu 2: __________ - I don’t think so. She doesn’t like water.

A. She can’t swim

B. Can she swim

C. She can swim

D. Can swim she

Câu 3: My friend is ______ so she has a lot of free time.

A. singer

B. single

C. married

D. free

Câu 4: Dan can _____ the drum very well.

A. play

B. do

C. make

D. think

Câu 5:  __________ at home yesterday?

A. Do you stay

B. Did you stay

C. Have you stayed

D. Will you stay

Câu 6: Among my friends, Lan is the __________ of all.

A. most interestingcorrect

B. more interesting

C. so interesting as

D. as interesting as