1,on -> by
2,Is Hung and his father ->Are
3,Let ->Let's
4,play ->playing
5,stay -> to stay
6,talk -> to talk
7,talking -> talk
8,goes -> plays
9,because -> although
10,many -> much
Bài 2
1,How much are a bowl of noodles?
2,How many oranges would you like?
3,There are twelve packets of tea in this box
4,How many bananas do you want?
5,Bi and Fifi travel to Ha Noi by plane
6,My house is to the right of the bakery
7,Mr Minh is Trung's father
8,Trang is going to ride to school by bike
9,Are there over eigh hundred students in your school ?
10,This exercise is too difficult for me to do
#good_luck