B)根据句子意思,用括号中所给单词的适当形式填空。
小题1:My family live on the ▲ (five) floor of the tall building.
小题2:— Why do you say Sandy does her homework ▲ (careful)?
— Because she always makes many mistakes in her homework.
小题3:Yesterday I ▲ (buy)a new dress at the Macy’s for my mum.
小题4:Today most students can go to high school for further ▲ (educate) in our country.
小题5:You needn’t be frightened because these insects are completely ▲ (harm).