225.8%=18

a) Xét tg ABM có BH là dg ttuyến ( AH=HM)

                            BH là dg cao (H=90 độ)

=> Tg ABM cân tại B( tc tg cân)=> AB=BM

B) Xét tg ACM có CH là dg cao (H=90 độ)

                             CH là dg ttuyến( AH=HM)

=> tg ACM cân tại C(tc tg cân )=> AC =CM

Use the correct tense of the verbs in brackets:

1. He wishes that he (win)would be the next match.

2. She wishes that he (help)would help her last week.

3. I wish they (visit)had visited me three days ago.

4. You wish I (take) would take you to the restaurant next month.

5. Ba wishes that he (be)was/were in Ha Noi now.

6. I wish that it (be) was nice today.

7. They wish I (pay) had paid my debt last Sunday.

8. He wishes you (be) had been his friend last time.

9. Mary wishes she (can) could speak Italian now.

10. Mai wishes they (hold) would hold a party next month.

1,After they(visit) had visited Paris ,they (go)went to Manchester.

2,Before I could say anything,they (admit)had admitted .thier mistakes.

3,I (hit)was hitting my thumb while I(use)was using..the hammer .Ouch! That(hurt) is hurting

4,While I(read)was reading books in the livingroom last night ,I(hear)heard a strange noise in the kitchen .I (go) went to the kitchen ,(turn)turn on the lights.I(hold)held my break and (listen)listened carefully .I (realise )realised that a mouse (chew)chewed on something under the cupboard .(Câu này hơi dài ạ !)

5.The vase broke when it (move) was moved to the other room .

6.When I entered his room ,I saw him (sleep)had slept  in a chair.

7.If only I(have)had money with me,I(lend)would lent you some .

8.Why are you under the table ? Are You (look)looking .for somthing ?

10. David (wash)washes his hands.He just (repair)had repaired .the TV set .

11.The radio (play)has been played..since 7a.m I wish someone would turn it off.

12.Mr.Brown has just (finish)finished reading the letter when the telephone on his desk(ring)has rung

13.Those students who(fail)fail the exam are going to take another one held in August.

14.Hurry up or you(be)will be late for class

1.  If He smokes so much, perhaps that‟s why he can't get rid of his cough,

2.   If She is very shy, that‟s why she won't enjoy parties.

3. If  I haven‟t the right change, we can‟t get tickets from the machine.

4.  if They speak French to her, not English, her English won't improve.

5.  If He doesn‟t work overtime, he won't earn as much as I do.

6. if  My number isn‟t in the directory, people won't ring me up.

7. if  He is very thin ,perhaps that‟s why he will feel very cold.

8.  If I‟m fat; that‟s why I can‟t get through the bathroom‟s window.

9.   He won't help me, If I never ask him for help.

10.  If I can‟t drive, we can‟t take the car.

Better 

More wonderful

More slowly

happier

cheaper

more comfortable 

heavier

Longer

nicer

Larger

Đổi 15p=0,25h

khoảng cách từ nhà bạn đó tới trg là:

S=t.v=0,25.4=1(km)