根据中文提示及首字母，填写单词。
— What subject are you _____________ （感兴趣）in?    —Maths.
Don’t be __________（担心） about my study, I’ll work harder.
My mother often________ (警告)me to wash my hands before dinner.？
The snake climbed out of the box and _________( 躲藏)under the dish.
Tell me the ________ (真相) , or I can’t help you.
We have lessons every day ________ (除了... 之外)Saturday and Sunday.
In my  ________ (观点) ,he is a good boy.
The girl has a sweet ______（嗓音）and I like listening to her beautiful songs.
I asked the secretary  __________（是否）she could come or not.
Computers are very __________（有用的）, they can help us do many things.