Rewrite the sentences without changing the meaning,beginning with the words provided

1.Susan is not good at English.

->Susan learns..........................................................................

2.Mr.Smith doesn't live on a farm in the countryside anymore.

->He used.................................................................................................

3."You should improve your English grammar,Anna"said the teacher.

->The teacher advised.............................................................................

4.Mom started working for that hospital 2 months ago.

->Mom has........................................................................

Complete the passage with words given in the box.(there are two words that you do not use)

Once upon a time,there(1) _______________ a farmer who lives a comfortable life with his family.He raised a lot of chickens.They laid many eggs which farmer(2) _______________ to buy food and clothing for th family.Once day,he began to collect th eggs and discovered one of the chickens laid a gold egg.He shouted excitedly to his wife,"We're rich!We're ricg!"

His wife ran to him and they both looked at the egg in amazement.The wife(3) _____________ to get more,so her husband(4) _____________ to cut open all the chickes and find more gold eggs.Unfortunately,ha(5)_______________ no more eggs.When he finished all the chickens were dead.There were no more eggs of any kind for the foolish farmer and his greedy wife.

Choose the best options to complete the following sentences

1.The teacher told me ____________ the report card to my parents.

A.give B.gave C.to give D.giving

2.He has collect stamps ___________ 2001.

A.in B.during C.for D.since

3.He felt hungry enough ____________ all those cakes.

A.eat B.ate C.to eat D.eating

4.We should keep all medicien out of children's __________.

A.hand B.reach C.tough D.contact

5.I am pleased to hear that you had an _____________ Christmas vacation.

A.enjoyable B.enjoyment C.enjoy D.enjoyably

6.We used ___________ in this river when we were young.

A.going B.to go C.go D.went

7.Minh and Nga cooked dinner __________.Their mother wasn't at home last night.

A.himself B.herself C.themselves D.ourselves

8.The Y&Y ____________ all members to participate in a recycling program.

A.made B.provided C.suggested D.encouraged

9.The telephone ______________ by Alexander Graham Bell.

A.invent B.was invented C.inventing D.invented

10.Sony.He is out the moment.Would you like to ___________ him a message?

A.take B.leave C.make D.do

11.Little Pea ______________ the house work all day after her father got married again.

A.would do B.must take C.had to do D.ought to have

12.I'm living on the third floor.Peter is living ___________,on the second floor.

A.downstairs B.upstairs C.outside D.inside

chỉ được dung quỳ tím hãy nhận biết 4 dung dịch:HCl,K₂CO3,AgNO₃,Ba(NO)

Bằng phương pháp hóa học,hãy nhận biết:

a,3 dung dịch:HCl,H₂SO₂;HNO₃

b,4 dung dịch:NaOH,HCl,NaCl,NH₄Cl

c,3 kim loại bột:Fe,Al,Ag

Cho 200ml dung dịch Na2CO3 0,2M tác dụng với V lít khí dung dịch hỗn hợp 2 axit HCl 2M và H2SO4 1M tạo muối trung hòa.Cho khí thoát ra tác dụng hoàn toàn với 1,8 lít dung dịch Ca(OH)2 thu được m gam kết tủa.Tìm V và m