英語 求求根據首字母或漢語提示寫單詞1.You must ----(控制）the machine correctly.2

題目：

英語 求求
根據首字母或漢語提示寫單詞
1.You must ----(控制）the machine correctly.
2.The ------(話題）today is about travelling.
3.The police are s----- for the escaped prisoner in the woods.
4.Suddenly a bear a---- in front of me.I felt very frightened.

解答：

1.control
2.topic
3.searching
4.appeared