tìm x biết:(x-5).(x+3)>0

tìm x biết:4x+3x^2=0

tìm x,y biết:(2x-1)^2020+(y-2/5)^2020=0

tìm x,y biết: /x+5/+(3y-4)^2020=0

tìm x,y bt:(x-7)^x+1-(x-7)^x+11=0

tìm x bt: (x-0).(x-3)<0

Write questons for the underlined part:

1.John went to Vietnam in 2000.(underlined:in 2000)

2.My mother is cooking in the kitchen at the moment.(underlined: is cooking)

3.Yes, she does.She likes playing table tennis.(underlined:yes,table tennis)

4.It is very hot in summer.(underlined:very hot)

5.My father is 60 kilos.(underlined:60 kilos)

6.They stay in a hotel.(underlined:in a hotel)

7.The ruler is 30 centimeters.(underlined:30 centimeters)

8.That is her pen.(underlined:her)

9.It takes him 20 minutes to go to school by bike.(underlined:20 minutes)

10.My phone number is 0912120040.(underlined:0912120040)

11.I received a letter from John last week.(underlined:last week)

12.Minh usually takes exercises after getting up.(underlined:takes exercises)

13.I brush my teeth twice a day.(underlined:twice a day)

14.Nga has an appointment at 10:30 in the morning.(underlined:at 10:30)

15.She goes to bed at 9p.m.(underlined:at 9p.m)

Write in full sentences:

1.How/he/travel/Nha Trang?

2.Why/she/go/to/doctor?

3.What time/Nam/leave/home/yesterday?

4.What/he/teach/in/the/high/school?

5.How/the/homework/yesterday?

6.How many/roses/in/garden?

7.Who/Liz/send/letters/yesterday?

8.What/your/favourite/subject?

9.How often/you/go/movie?

10.he/good/drawing?

Put the words in the correct order:

1.your/did/it/How long/finish/to/take/you/homework/-Two/hours.

2.do/need/a/Why/phone card?/you/-I/need/parents/to/phone/Because/my.

3.did/see/last/Who/night?/you/-old/friend,/My/Tom.

4.neighbor/What/give/did/her?/-A/flower/bunch/of.

5.did/return/When/to/they/America/-yesterday.

6.Mr Robinson/What did/buy?/-An/dictionary/English.

7.was/father/Where/last/your/month/-In/Ha/Noi.

Complete the questions with suitable question words:

1.....time is it?-7 o'clock.

2....old are you?-thirteen years old.

3....do you live with?-my parents.

4....is your birthday?-April 28th.

5....is your favourite subject?-Maths.

6....book is yours?-mr Tom's.

7....is your name?-Dai Loi.

8...are you parents now?-In Ha Noi.

9....is your best friend?-Linda.

10....is your favourite colour?-blue.