29.1 (to call) the office if I was/were you. 30.If I (study), I (pass) the exams 31.If the sun (shine), we (walk) into town 32.If he (have) a temperature, he (see) the doctor. 33.If my friends (come), I (be) very happy. 34.1f she (earn) a lot of money, she (fly) to New York. 35.1f we (travel) to Hanoi, we (visit) the museums. 36.If you (wear) sandals in the mountains, you (slip) on the rocks. 37.1f Giang (forget) her homework, the teacher (give) her a low mark. 38.If they (go) to the disco, they (listen) to loud music. 39.1f you (wait) a minute, 1 (ask) my parents. 40.If I (come) home earlier, I (prepare) dinner. 41.If we (live) in HCMC, my boyfriend (visit) us. 42.1f Tung and Thanh (be) older, they (play) in our football team. 43.If he (be) my friend, I (invite) him to my birthday party. 44.1f Xuan (study) harder, she (be) better at school. 45.If they (have) enough money, they (buy) a new car. 46.If you (do) a paper round, you (earn) a little extra money. 47.1f Minh (get) more pocket money, he (ask) Lam out for dinner. 48.If we (win) the lottery, we (fly) to London.