Hiệu số tuổi của 2 anh em là 14 - 5 = 9 (tuổi)

Số tuổi của em khi tuổi anh gấp 2 lần tuổi em là 9 : (2 - 1) = 9 (tuổi)

Vậy sau 9 - 5 = 4 (năm)

My teacher always advises me ..... hard. (studying, study, studied , to study)

as/my mother/works/too/and.they do/a teacher

-> My mother works as a teacher and they do, too.

1) No one tell us about the problem
-> The problem isn't told us about.
2)The milkman brings the milk to my floor every morning
-> The milk is brought to my floor by the milkman every morning.
3) They never do that work
-> That work is never done.
4) Parents look after their children
-> Their children are looked after by parents.

When did you receive my letter?

-> When was my letter received (by you)?

Milk nè , L-i-k-e rồi chúng mình kết bạn .

Dear Mon and Dad,

Thanks a lot (1) for your letter. I am very happy to (2) hear you are both well. Everything, of course (3) seemed quite new steange to me at first, but now I’m (4) getting in well with it. I’ve got a lot of friends here. They are very kind and (5) friendly. Don’t worry about me. I know (6) how to take care of myself. My aunt seems very pleased with me. She often reminds me to (7) do morning exercise to keep fit. I always brush my teeth (8) after each meal, wash my clothes and inron them carefully. Well, it’s too late. I must go to bed. Take care, Mon and Dad. I miss you very much.

Love,

Phuong

a/wait/doctor/have/for/to/I/minutes/few/the

-> I have to wait for the doctor a few minutes.