3. Since we have to be there by 8.30, we_______ take a taxi. A. had better B. may C. ought D. are able to 4. It _______ rain this evening. Why don't you take an umbrella? A. could be B. must C. might D. had better 5. _______ you help me with the homework? A. May B. Shall C. Should D. Will 6. She hasn't eaten anything since yesterday. She _______ be really hungry. A. might B. will C. must D. can 7. I put my keys on the table, but now it's gone. Someone _______ have taken it. A. may B. had to C. should D. would rather 8. Daisy is reading her English test because she has a test tomorrow. She _______ be studying. A. will B. should C. must D. can 9. We _______ put the fish in the fridge before it spoils. A. had to B. may C. can D. had better 0. Mr. Brown is very rich. He _______ work hard for a living. A. mustn't B. shouldn't C. can't D. doesn't have to 1. Tom has just got a new job. He _______ be very pleased. A. might B. must C. should D. will 2. Tom painted his room black. It looks dark and dreary. He _______ have chosen another color. A. should B. must C. could D. may