_________ all his homework, Tom was allowed to go out with his friends. 

The students have discussed the pollution problems since last week. (passive voice)

.…………………………………………………………………………………..…

It takes a long time to learn a foreign language. (starting with a gerund).

………………………………………………………………………………………

She can cook for herself and that makes her more independent. (using the noun ability and a to-infinitive)

………………………………………………………………………………………..

I _________be delighted to show you round the factory.

The film was so bored that many people walked out of the cinema just

                               A                                                 B                        C

after 15 minutes watching it .

                                D

The rain_________ It’s been raining for 3 hours.

Before Tet, people usually _________.