$\left(\frac{7}{6}-\frac{3}{4}\right)\times \frac{20}{21}+\left(\frac{5}{6}-\frac{1}{4}\right)\times \frac{20}{21}$

điền 'some ' hoặc 'any'
1. we didn't buy ....... flowers
2.this evening I'm going out with ............friends of mine
3.I didn't have......money
4. I was too tired to do .......work

..............shampoo did you use last week ?
A. a lot B many

..............shampoo did you use last week ?

A how many   B how much

This cow produces ............milk

A. much      B many

giải tam giác ABC vuông tại A biết rằngAC=b;AB=c;BC=a trong các trường sau
                    a)c=21cm,b=18cm                         b)a=15cm,b=10cm 
c)a=20m,góc B=45 độ                            d)b=12cm,c=7cm

Give the correct form of the verbs.

1.Janet.................. a film on TV. ( watch )

2.The girl...................... her homework. ( finish )

3.My father........................ the TV. ( fix )

4.The children.................. the museum every school year. ( visit )

5.Helen................. her hair every two days. ( wash )

6.My friend................ to cheer my up. ( try )

7.They............... me a CD every Christmas. ( give )

8.My mother always................... the cake into six. ( divide )

9.l....................... for you whatever happens. ( wait )

10.Mr.Harry usually...................... the heavy boxes to his house. ( carry )

11.My family........................... a trip to the UK every year. ( plan )

12.Karen and Sara.................. the guitar. ( play )

 Giúp mình với ạ!

Rút gọn
A = Sin⁶x + cot⁶x + sin⁴x + cos⁴x + 5sin²x cos²
B = sin² 1° + sin² 2° + sin² 5°+ ... + sin². 88° + sin² 89°

MY dogs brings me............different slippers

A.much     B. many

.Pau always gets .............homework

A.much     B. many 

giải hộ em nhé / điền vào chõ chấm ( nếu đc em cảm ơn nhìu ạ )
1.I have got ..............T-shirts in my wardrobe
2..........pencils did you find yesterday?
3.MY dogs brings me............different slippers
4.This cow produces ............milk
5..............shampoo did you use last week ?
6.Pau always gets .............homework
7................castles did he destroy ?
8............love do you need ?
9.Andy hasn't got ................hair
10.I drank too ................cola yesterday
11.there aren't ...............car parks in the center of Oxford
12.eating out is expensive here . There aren't .....................cheap restaurants
13.Liverpoool has ................of great nightclubs
14.hurry up! we only have ............time before the coach leaves
15.there are a ...............shops near the university
16.there are ...........expensive new flats next to the river 

(x-2) (x-3) - (5x-1) (x-6) =0

dịch dùm em câu này với ạ

complete the sentences using the guided words and phrases

tứ giác ABCD có A^=100 góc ngoài tại đỉnh B^ = 110, C^=75 tính số đo góc D^