Choose the correct answer

A. to buy

B. buys

C. buyed

D. bought

A. to see

B. sees

C. saw

D. seeing

A. in

B. on

C. at

D. with

A. a

B. an

C. the

D. x

A. Vietnamese

B. Vietnam

C. Vietname

D. Vietnames

A. do

B. go

C. did

D. went

A. how

B. what

C. when

D. where

A. play

B. playing

C. watch

D. watches

A. myself

B. yourself

C. himself

D. herself

A. taught

B. teach

C. teaches

D. teaching

A. will travel

B. travel

C. traveled

D. are traveling

A. why

B. so

C. when

D. because

A. backache

B. toothache

C. headache

D. stomachache

A. did

B. does

C. doesn’t

D. didn’t

A. listened

B. is listening

C. listens

D. listen

A. watch

B. is watching

C. watches

D. watched

A. takes

B. are taking

C. took

D. take

A. forget

B. forgetting

C. forgets

D. to forget

A. are

B. is

C. did

D. were

A. buy

B. buys

C. bought

D. buying

A. skill

B. skills

C. skillful

D. skillfully

A. is

B. are

C. do

D. does

A. on

B. in

C. at

D. of

A. on

B. in

C. at

D. for

A. on

B. in

C. to

D. at