cho...Lan Anh...nữa...hjc trễ r T^T

1.This coffee is too hot to drink. (heat)

2. I feel so sleepy. I am going to bed. (sleep)

3. Smoking is harmful to our health. (harm)

4. The American their dependent on 4th July. (depend)

5. Ho Chi Minh is a southern city in VN. (south)

6. This summer, many areas in our country will have to surffer from a serious short-term of electricity. (short)

7. I am lucky to have such good friends. (luck)

8. We should take actions to reduce environment pollution . (pollute)

9. I find it interesting to talk to Tom's grandfather. (interest)

10. The river here is very dangerous for swimmers. (danger)

Vận tốc hai xe là gì vậy bạn ?

31.Mrs Green (take) has taken Alice to the dentist many times.

32.Where was Jack at that time ? - He (listen) was listening to the radio in the living room.

33.Don’t make much noise ! Our mother (sleep) is sleeping

34.I (read) have read that book 3 or 4 times before.

35.I (not get) didn't get up until 8 o’clock yesterday morning.

36.She (stay) is staying with her parents at the moment though(mặc dù)she (have) has her own flat

37.As I (cross) crossed the road I (step) was stepping on a banana skin and (fall) falling heavily.

38.He usually wears sandals but when I saw him he (wear) was wearing boots.

39.Have you ever been to Europe (Châu Âu) ? - Yes, I (have) have been to Europe several times. I (be) was in Europe last year.

40.Did you remember to book seats ? - Oh, no, I forgot. I (telephone) am telephoning for them now.

41.Leave a note for them on the table and they ( see) will see it when they come.

42. I’m afraid. I’m not quite ready. – Never mind. I (wait) will wait

43.Don’t make a sound or you (wake) will wake the baby.

44.You (not be) haven't been here for ages.

45.You have already ( drink) drunk four cups of teas since I (sit) sit here.

46.The old man (fall) fell as he (get) got into the bus.

47.What were you (do) doing between 9:00 and 10:00 yesterday ? - I (clean) was cleaning my house. I usually clean my house on Saturday morning.

48.Where is Nick ? - He has just (go) gone out

49.That tree makes the house very dark. – Very well, I (cut) will cut it down.

50. What were you (do) doing at this time yesterday ?

51.I’ve decided to repaint this room.- Oh, have you ? What color are you (paint)going to paint?

52.Tom (take) took a photograph of me while I (not look) wasn't looking

53.I (break) broke a plate last night. I (do) am doing the washing up.

54.What will you (do) do when you grow up ? - I (be) will be an architect.

55.She’s on holiday. She (go) is going to Italy

56.Tom is looking for his key. He can’t find it anywhere. He (lose) has lost his key.

57.I (not go) didn't go out because it (rain) rained yesterday.

58.I (see) saw Carol at the party last night. She (wear) wore a really beautiful dress.

59.If it (rain) rains tomorrow, I (not go) will not go out

60.I’m going away for a few days. I (phone) will phone you when I get back

1. A.activities B.weekend C.winter D.summer

2. A.fishing B.packet C.pagoda D.purple

3. A.uncle B.idea C.picnic D.sausage

4. A.listen B.usually C.video D.correct

5. A.apple B.tomato C.cooking D.bottle

Gọi số cần tìm là ab nên số viết ngược lại là ba 

theo bài ra ta có 

ab + ba = 187 => 10a + b + 10b +a = 187 

=> 11a + 11b = 187 

=>11 ( a+  b) = 187 

=> a + b = 17 

VÌ a + b = 17 nên a ; b > 7 

=> a = 8 ; a = 9 

(+) a = 8 => b = 9 

(+) a = 9 => b = 8

VẬy số cần tìm là 89 hoặc 98