Giải giúp mik vs ạ bài này mik ko bt lm

B.Complete the following sentences.
1→What color is it?  (it's purple)
2→What is this?  This is eraser
3→Are there your pencils? Yes,they are. They're mine

4→What is she doing ? She's cooking now.
C.Make questions for the underlined words.
1.How many students are there in your class?

There are forty students in my class

2.How old is Bill's brother?
Bill's brother is fifteen years old.

3.Where are we live?
We live in a small town

4.Do your house is big?
Yes, my house is big

D.Change the following sentences into negative and interrogative form
1.Mai gets up at six every morning
→Mai doesn't get up at six every morning (S + doesn't + he/she/it + V)
2.Thu and Lan go to school by bike every day
→Thu and Lan don't go to school by bike every day. (S + don't + you/we/are + V)