Chia động từ thích hợp: 1. You ought (finish) ............. your homework before (watch) ............... TV. 2. My father (play) ................. roller- skating when he (be) ................ a child. 3. Many years ago, most people in Vietnam (not have) .................. TV set. 4. I think Liz and her parents (go) .................. to Tri Nguyen Aquarium in Nha Trang. 5. - What about (go) ............... To the library and (read) ............... the new books there? - I'm sory, I can't. I'm busy. 6. Yesterday, I (was) ........ busy, so I (not have) .............. time a phone you. 7. - Your brother (like) ............ (read) .............. ? - Yes, he does. He always (read) .............. in his free time. He (read) ............. in his room at the moment 8. We (play) .................. soccer if the weather (be) ........... fine tomorrow afternoon