V/ Rewrite the sentences, using the words given.( Viết lại câu ) 1. People throw rubbish in the street. The street doesn’t look attractive. => If people ......................................................... ......................................................... 2. Mr. Smith will collect the tickets. => The tickets .............................................................................................................. 3. His room is untidy, so his mother is unhappy. => His mother ...................................................................................... 4. People get more diseases. The water is contaminated. => People will .................................................................................. 5. Eating too much sugar can result in health problems. (lead) ……………………………………………………………. 6,She walked to the meeting. She was late. If ............................................................... 7,Unless you promise to return back, I won't lend you. If .................................................. 8,We put off our trip because the weather was terrible. If .................................................................. 9,If you do not like this one, I'll bring you another. Unless ......................................................... 10,He will pay me tonight; I will have enough money to buy a car. If .........................................................