21. you’ve put on weight. you get more exercise. a can b could c should d would 22. passengers smoke in the no-smoking area. a could not b must not c have to d can 23. if you’re going to the supermarket you get me some groceries. a could b have to c will d should 24. unless you give that plant some water it die. a would b will c can d must 25. when you reach the top of the hill you see for miles and miles. a should b must c would d can
