Lots of trees ________in our city over the years. It is becoming greener and greener!
--- ________ your sister a student? ---No, she ________.
和单词please的划线部分发音不相同的一项是________.
---____ you _____ our new music teacher? -- - No.But Jack said she _______ the music room.You can find her there.
Peter is better _____ English than any _______ her classmates.
Battery-operated slippers are used ______ seeing in the dark.