III.  Điền vào mỗi chỗ trống với một giới từ đúng
1/ They have built this house..............a long time.
2/ We have lived .....An Lao.....14 years.
3/ There are some books........the table........the right corner.......the room
4/ The course begins......January and ends .....April.
5/ I usually watch TV ......the evening.
6/ The stadium is in............of my house.
7/ He often gets up..........5.30...........the morning but.......Sunday morning he gets up late.
8/ English learners learn words ..............different ways

 9/ Thank you very much ...........lending me your bike10/ I got good grades.............English and Math last semester11/ All students enjoy taking part ............outdoor activities
12. Should should learn ............heart these new words.

I. Hoàn thành các câu sau, dùng hình thức so sánh phù hợp: 1/ My house isn't as (big) her house.2/ Milk is (expensive) than mineral water.3/ This hotel is (cheap) in the town. 4/ She is wearing a hat (same) mine 5/ Ho Chi Minh City is (big) than Ha Noi. 6/ February is (short) of the year. 7/Life in the city is (busy). 8/ Nam is (intelligent) in my class. 9/ Lan is (pretty) as her sister. 10/ Her hobbies are (different) from yours

I. Điền hình thức đúng của động từ trong ngoặc:
1/ The Sun (rise) in the east and (set) in the west.
2/ My grandma (use) to tell me the folktales.
3/ She (not like) playing soccer.
4/ Where you (be) going to visit next summer? - I (visit) Hue.
5/ They (work) in this company for ten years.
6/ My mother has to (clean)the floor everyday.
7/ He (not write)to his friend since Monday.
8/ Students must (go) to school on time.
9/ I (get) a letter from my old friend yesterday
10/ Where he (use to)live before he moved here?

hãy tính phân tử khối của : c2h6,mgco3,al2(so4)3