1. Enough :1.We don’t have money . We can’t buy two tickets .2.They had a lot of time . They could help you to solve the problem .3.Peter is rather short . He can’t play basket ball .4.The test was very difficult . I couldn’t do it in 15 minutes .5.Mr. Baker is poor . He can’t buy everything for his children .6.The books were big . He hardly put them in the bag .2. Tense :1.Ba’s volunteer work helps him ……………friends . ( make )2.We like going shopping or …………….to music in our free time .( listen )3.Last night I …………………you but you ……………….in . ( call / not be )4.I’d like you ………….my new classmate , Song – a football star .( meet )5.At this time Jane …………….food for the whole family .( cook )6.You …………..read or write at the age of five ? ( can )7.Miss Karen ……………us English this year .( teach )3.Word form :1.We enjoy the ……………moments in the country life . ( peace )2.He was ………..because of his father’s illness . ( happy )3.Nobody likes him because he often talks to everyone in a …………..way . ( friend )4.The ……………..of the telephone has changed our lives a lot .( invent )5.Hard work always brings ……………( successfully )6.We are working ……………( busy )7.The busy road is a …………….to children . ( dangerous )8.Ao Dai is the ……………dress of Vietnamese women . ( tradition )9.The fans cheered ………….when their favorite singer was on the stage . ( excite )10.……………, Ao Dai used to be worn by both men and women( tradition )4.Transformation :1.They are strong. They can lift these boxes. ( enough )2.That room isn’t large. We can’t play in it. ( enough )3.She shouldn’t work over ten hours a day. ( ought to )4.We must practice 5K in this time. ( have / has to )5.To do this exercise is very interesting. ( It )