Ai giúp với ạ. Complete the dialogues with must and the verb in parentheses. Use the correct present or past form. Use not if necessary. 1. A: You got here in twenty minutes! You (drive) ............................................................ really fast. Normally it’s a forty-minute drive. B: No faster than usual. 2. A: Sally gave a speech at her graduation. I think I saw tears in her parents’ eyes. B: Oh, that is touching. They (be) .............................................................. very proud of her. 3. A: That’s strange. Oscar didn’t come to the meeting. He never misses a meeting. B: He (know) ..................................................................... about it. He was out of town all last week, and probably no one told him. 4. A: Uh-oh! I can’t find my credit card. B: You (leave) ....................................................... it at the cash register at the grocery store. 5. A: Have you seen Clark? I can’t find him anywhere. B: He was feeling terrible. He (go) ................................................. home a while ago. 6. A: Look! Do you see that big bird on top of the tree? B: What big bird? A: You can’t see that? You (need) .................................................... stronger glasses. 7. A: What happened to your knee? B: I twisted it very badly in the tennis match. A: Oh! That (hurt) ........................................................ a lot!