--When do you have __________to help me with my English? I am reading the Encyclopaedia Britannica, but it is too difficult for me! --You can come to me ___________!
—Look, Victor. This brown cat is ________ than that white one. —Yes. And it is _____ of all these cats.
— Is your brother ______ at singing ? —No. But he really does _______ in dancing .
—How can we protect ourselves _____ the earthquake? —First, we should keep calm when it happens.
— This T-shirt is too long for me . Could you show me ___________ one ? — Sure . Wait a minute .
—It’s _________ useful dictionary and you can’t throw it away . —Thank you . I didn’t know it before .