Ai làm giúp e với ạ 1. _____________ you ever (do) ______________ volunteer work? - Yes, I (join) ______________ my school volunteer team last summer. 2. I know a lot about Beijing because I (go) ______________ there last summer. 3. Sit down and watch TV; I (finish) ______________ my work soon before I join you. 4. You (ride) ______________ into town on your new bike yet? 5. They (not arrive) ______________ yet, but they should be here soon. 6. It’s the first time I (get) ______________ all the answers right in a test! 7. She (start) ______________ doing the gardening an hour ago, and she (not finish) ______________ it yet. 8. Eating fruit and vegetables every day (be) ______________ very healthy. 9. You (see) ______________ the film on TV last night? 10. Our class (start) __________ at 7.15 and (finish) ____