Complete each sentence with the correct form of the verb in brackets.

Vacuum cleaners are very useful for

(clean) the house.

Provide the correct form to + V or V-ing of the verbs given in the brackets.

Provide the correct form to + V or V-ing of the verbs given in the brackets.

Mark the letter A, B, C, or D on your answer sheet to indicate the best answer to each of the following questions.
I really believe that you should let your son _____ his own decisions; he is certainly old enough ____ so.

Provide the correct form to + V or V-ing of the verbs given in the brackets.

You’d better _______out with your friends as it is very dangerous in the evening when going alone.

Provide the correct form to + V or V-ing of the verbs given in the brackets.

My mother said that she would rather _____  Hoi An than Nha Trang.