—How many birds can you see in the trees?—I can see birds in the trees.
—Smoking is bad for your lungs and it can even cause cancer. —Oh! I think I must ______ smoking. A. get up B. give up C. grow up
—The doctor told me to stay at home and have a good rest. —Follow the doctor’s _______, and you’ll get well soon. A. advice B. medicine C. rule
—Doing exercise every day _____ me very healthy. A. makes B. make C. made
—I can’t sleep well at night. I often feel tired. —You ______ drink some milk before going to bed. It’s good for your sleep. A. should B. shouldn’t C. mustn’t
—I have a fever. —You should___________. A. lie down and rest B. drink lots of boiled water C. both A and B