1)He usually (go) ……………fishing at weekend
2) My parents ( work ) ………………..in a business company.
3) She ( come )………………….. here yesterday.
4) We ( live ) ………………………in that house when I was ten years old.
5) Both my grandmother and my uncle ( be )………………. teachers.
6) My sister ( like )…………………. music very much.
7) I ( go )…………………… to bed late last night.
8) They ( be )…………………… at the zoo last sunday.
9) My friend ( be ) ………………………..very good at English.
10) I ( visit ) …………………….the Great Wall in China two years ago.
Ai giúp không hứa sẽ tick nhiều . Làm đc phần nào thì đăng phần đó làm nhìu tick nhìu làm ít tick ít . Giúp ik
Tính nha
A = 1 . 3 + 3 . 5 + 5 . 7 + ... + 49 . 51
B = 2 . 4 + 4 . 6 + 6 . 8 + ... + 98 . 100
C = 1 . 4 + 4 . 7 + 7 . 10 + ... + 301 . 304
D = 1 + 1 . 1! + 2 . 2! + 3 . 3! + ... + 100 . 100!
E = 22 + 42 + ... + ( 2n )2