Ex1. Chia động từ trong ngoặc theo thể bị động của động từ: 1. These offices……now. Be careful, the floors are wet. (clean) 2. This report……in time if you didn't help me. Thank you very much. (not finish) 3. Why……the TV……? Everyone has gone to bed. (turn on) 4. Madam, you cannot take your bag into the gallery. All bags…… in the cloakroom. (must leave) 5. The engine…… just…… when the manager saw it. And he was satisfied with it. (test) 6. I'm sorry, sir. The last umbrellas…… in the morning. (sell) 7. Where have you been so long? You…… to arrive so late if you worked for me. (not allow) 8. Please, be patient. The plan…… in two days. (announce) Ex2. Sử dụng các thì chia động từ trong ngoặc 1. The meeting ……(close) before tomorrow morning. 2. When ……she …… (send) me a copy of her essay? 3. William…… (tidy / already) up his room. 4. In 2004, the Olympic Summer Games…… (take) place in Athens 5. Collin…… (not / go) on holiday last year.