Câu hỏi:  I’ve never forgot ----------- flamenco for the first time.

A. to see

B. see

C. seeing

D. saw

Câu 1:  If I --------- a flower I would be a sunflower.

A. am

B. were

C. had been

D. will be

Câu 2:  I couldn’t stop ---------- about buying a laptop.

A. think

B. to think

C. thought

D. thinking

Câu 3: My car is very ------------, it uses very little petrol.

A. economic

B. economical

C. economist

D. economy

Câu 4: I’m thinking of ------------ to Spain next month.

A. go

B. going

C. to go

D. been to

Câu 5: My friend has promised ---------- me some steps.

A. to teach

B. teach

C. teaching

D. taught

Câu 6: She’s played the piano ---------- she was little.

A. when

B. from

C. since

D. for