根据句意，用括号中所给单词的正确形式填空。
小题1:The policeman told the boys _________________(not play) in the street.
小题2:There (be) many changes in China since 1987.
小题3:Have you been to Hong Kong __________ (recent)?
小题4:The (hunt) kill some animals in order to get their fur.
小题5:My little sister is old enough to look after (she).
小题6:When you catch a cold, you always feel _________(comfortable).
小题7:Nothing is ___________(possible) if we put our minds into it.
小题8:Birds can find food _______ (easy) here.
小题9:It was _______ (fog) yesterday. We couldn’t see each other in one metre.
