用所给词的适当形式填空。（每词限用一次）8分
give,  safe,  must,  of,   off,  soft,  button,  need
（1）People ________ smoke in public（公众的）places.
（2）Can you tell me about fire ________?
（3）Kitty’s dress is too small.  She ________ a new one.
（4）The students ________ a report about the Yangtze River.
（5）The flowers are dancing in the wind ________.
（6）I like this jacket because it has ________.
（7）Take the underground and get ________ at Sea Street Station.
（8）Our Huangpu River is part ________ the Yangtze River.