—____ are they?—They are Maria and Jane.
Lucy is 7 years old. She is ________ to go to school. A. enough old B. young enough C. old enough
—We should eat more _______ food to keep our __________. A. health ; healthy B. healthily ;health C. healthy ;health
—Must we finish the project in a month? —No, you _______. A. mustn’t B. needn’t C. can’t
—Don’t read ______ the sun because it’s bad _____ your eyes. —Oh, thank you. A. under; at B. under; for C. in; for
—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