Chia động từ trong ngoặc: 1. I _____(come) to the party early if I _______(not have) anything else to do. 2.Sam _______(buy) a new TV if he ______(have) enough money. 3.Unless you ______(come) with me, I ______ (not go) to Sara's birthday party. 4.If Linh _______(forget) doing homework, she _______(get) a low mark. 5.If we _______(recycle) more, the environment _______(be) better. 6.Unless that dress ______(be) so expensive, I _______(buy) it. 7.Unless we ________(wear) coats, we______(feel) cool. 8.If Helen ______(earn) more money, she ______(fly) to Canada. 9.If we ________(travel) to Tokyo, we _______(visit) the art galleries. 10.If you _______(wear) sandals when climbing, you _______(slip) on the rocks. 11.If Rita ______(finish) her homework, the teacher ________(give) her a high mark. 12.If the ________(go) to the bar, they ________(listen) to loud music. 13.If you _______(wait) a minute, I _______(ask) my parents to go out.