Be careful . You _______ cross the road when the traffic light is red . The traffic is heavy at this time of day .
A. must B. mustn’t C. can D. needn’t
—Look, Victor. This brown cat is ________ than that white one.
—Yes. And it is _____ of all these cats.
A. big; big B. bigger; bigger C. bigger; big D. bigger; the biggest
— Is your brother ______ at singing ?
—No. But he really does _______ in dancing .
A. good; good B. well; well C. good; well D. well; good
—How can we protect ourselves _____ the earthquake?
—First, we should keep calm when it happens.
A. with B. for C. from D. about
— This T-shirt is too long for me . Could you show me ___________ one ?
— Sure . Wait a minute .
A. other B. another C. the other D. others
—It’s _________ useful dictionary and you can’t throw it away .
—Thank you . I didn’t know it before .
A. a B. an C. the D. 不填