用所给单词的正确形式填空。 Since she _____ (come) here, she have visited many places in the city. Do you have a hard time ______ (wait) for the taxi in the evening? Students should speak to the teachers and parents _____( polite). Don’t worry! I can look after _____(I). There are six ______ (hundred) students in our school.
根据句意和首写字母补全单词。 You must be c______ when you cross streets. There are too many cars. Our class is organizing a talent show to r_______ some extra money for charity. If you go aboard alone, you will m______ your family. Would you mind c_____ the dinner? I saw someone cooking in the k________ when I passed it.