助動詞問題（451〜475）
| No. | 問題 | 選択肢 | 答えと解説 |
|---|---|---|---|
| 451 | She ___ not have seen the message. | A. should B. could C. might D. may | 解答と解説答え：D. may |
| 452 | You ___ always say that! | A. will B. would C. must D. can | 解答と解説答え：B. would |
| 453 | We ___ as well leave now. | A. should B. might C. must D. can | 解答と解説答え：B. might |
| 454 | He ___ have taken the wrong train. | A. might B. will C. can D. shall | 解答と解説答え：A. might |
| 455 | ___ I borrow your pencil? | A. Would B. Should C. Must D. Might | 解答と解説答え：A. Would |
| 456 | They ___ be sleeping now; it’s too quiet. | A. can B. must C. would D. may | 解答と解説答え：B. must |
| 457 | You ___ take this road to reach the city. | A. must B. may C. can D. might | 解答と解説答え：C. can |
| 458 | I ___ rather eat at home tonight. | A. would B. should C. will D. must | 解答と解説答え：A. would |
| 459 | You ___ be tired after working all day. | A. must B. may C. might D. shall | 解答と解説答え：A. must |
| 460 | ___ I help you with your bags? | A. May B. Can C. Will D. Shall | 解答と解説答え：D. Shall |
| 461 | You ___ be joking! | A. can B. must C. will D. have to | 解答と解説答え：B. must |
| 462 | She ___ play the piano when she was four. | A. would B. should C. must D. could | 解答と解説答え：D. could |
| 463 | You ___ try their chocolate cake. It’s amazing! | A. could B. must C. might D. would | 解答と解説答え：B. must |
| 464 | He ___ be late; he usually is. | A. can B. might C. will D. must | 解答と解説答え：C. will |
| 465 | You ___ have left your umbrella here. | A. can B. may C. will D. would | 解答と解説答え：B. may |
| 466 | I ___ be wrong, but I think he’s married. | A. must B. could C. shall D. may | 解答と解説答え：D. may |
| 467 | You ___ not smoke here. | A. must B. can C. may D. shall | 解答と解説答え：A. must |
| 468 | She ___ be shy around strangers. | A. will B. can C. might D. shall | 解答と解説答え：B. can |
| 469 | I ___ have forgotten my keys again. | A. must B. might C. could D. can | 解答と解説答え：C. could |
| 470 | You ___ stay up late; you have an exam tomorrow. | A. shouldn't B. must C. might D. can't | 解答と解説答え：A. shouldn't |
| 471 | We ___ take a taxi if it rains. | A. shall B. must C. might D. would | 解答と解説答え：C. might |
| 472 | He ___ be our new neighbor. | A. will B. may C. can D. shall | 解答と解説答え：B. may |
| 473 | You ___ be careful when driving in the rain. | A. would B. could C. should D. shall | 解答と解説答え：C. should |
| 474 | I ___ help if you ask me nicely. | A. would B. might C. could D. should | 解答と解説答え：A. would |
| 475 | She ___ need some time to adjust. | A. will B. must C. may D. shall | 解答と解説答え：C. may |