Write the correct preposition to complete the sentences.

a. Surfing the Internet for too many hours can be harmful your health.

b. Are you addicted Facebook, Twitter, Tumblr, or Instagram?

c. The library allows you to check six books at a time.

d. Today, teenagers depend technology more than in the past.

Complete the sentences with the to-infinitive or -ing form of the verbs in brackets.

a. If I can choose, I prefer (hang) out with my friends to (stay) at home.

b. Tonight I'd like (play) football, but I have to do my homework.

c. Your kid needs (lose) some weight. Tell her (eat) less junk food and do more exercise.

Rewrite the sentences. Use the words in brackets and no CONTRACTION form. No more than FOUR words.

a. It is not a good idea to spend too much time on computer games. (avoid)

→ It's better to too much time on computer games.

b. Who will take care of your kids while you are at work? (look)

→ Who will your kids while you are at work?

c. She likes to hang out with friends on Saturday evening. (in)

→ She's with friends on Saturday evening.

d. How about watching a live football match on TV tonight? (Shall)

→ a live football match on TV tonight?