1 people speak english as the second language in singapore
-> english is spoken as the second language in singapore
2 There was a loud noise next to my door last ninght, so I couldn’t sleep
-> because There was a loud noise next to my door last ninght, I couldn’t sleep
3 We can do this exercise in 5 minutes
-> this exercise can be done in 5 minutes
4 we don’t waste paper. We save many trees
->if we don’t waste paper. We will save many trees
5 if he doesn’t work hard, he will not pass his exam
->unless he work hard, he will not pass his exam
6 we are having a wonderful time in da lat
-> hoa told tom that they were having a wonderful time in da lat
7 we didn’t go for a picnic because the weather was bad
->because of the weather was bad we didn’t go for a picnic
8 it rained heavy all day yesterday,so we didn’t go camping
->we didn’t go camping because it rained heavy all day yesterday