Exercise 4: Put the verbs in brackets into the correct tenses Type III 16 If you had told me that he never paid his debts I (not lend) him the money. 17 If you (not sneeze) he wouldn't have known that we were there. 18 If you (put) some mustard in the sandwiches they would have tasted better. 19 The hens (not get) into the house if you had shut the door. 20 If he had known that the river was dangerous he (not try) to swim across it. 21 If you (speak) more slowly he might have understood you. 22 If he had known the whole story he (not be) so angry. 23 I shouldn't have eaten it if I (know) that there was ginger in it. 24 If I (try) again I think that I would have succeeded. 25 You (not get) into trouble if you had obeyed my instructions.

Viết các pthh xảy ra theo sơ đồ ạ Vote5 sao

Giải thích cách dùng a/an,some,any,much,many,a lot of.Cm

tìm x ∈ N , biết a, 321 + x = 2016 b, 48 - 3(x + 5 ) = 24 c, 1230 : 3(x - 20 ) = 10 d, x + 37= 50 e , 2. x - 3 = 11 f, (2 + x ) : 5 = 6

Bài tập :Trên đường thẳng d lấy 3 điểm A,B,C (C nằm giữa A và B ) trên cùng nửa mặt phẳng bờ là đường thẳng d vẽ 2 tia Ax và By vuông góc với đường thẳng d . Trên tia Ax lấy điểm N tia vuông góc với NC tại C cắt Ax tại M . Kẻ CE vuông góc với MN tại E , gọi I là trung điểm CM a) Chứng minh 4 điểm A,C.E.M cùng thuộc đường tròn tâm I b) Chứng minh : AM . BN = AC . BC c) Gỉa sử A,B,N cố định .tìm vị trí điểm C để diện tích tứ giác ABNM lớn nhất

( 8x - 3 ) ( 3x + 2 ) - ( 4x + 7 ) ( x + 4 ) = ( 4x + 1 ) ( 5x - 1 ) Tìm x

Exercise 4: Put the verbs in brackets into the correct tenses Type III 1 If I had known that you were in hospital I (visit) you. 2 The ground was very soft. But for that, my horse (win). 3 If you (arrive) ten minutes earlier you would have got a seat. 4 You would have seen my garden at its best if you (be) here last week. 5 But for his quickness I (be) killed. 6 I shouldn't have believed it if I (not see) it with my own eyes. 7 If he had slipped he (fall) 500 meters. 8 If he had asked you, you (accept)? 9 If I (had) a map I would have been all right. 10 If I (know) that you were coming I'd have baked a cake. 11 I (offer) to help him if I had realized that he was ill. 12 If you had left that wasp alone it (not sting) you. 13 If I (realize) what a bad driver you were I wouldn't have come with you. 14 If I had realized that the traffic lights were red I (stop). 15 But for the fog we (reach) our destination ages ago.

Cho C là một điểm nằm trên đoạn thẳng AB \(\left(C\ne A,C\ne B\right)\). Trên cùng một nửa mặt phẳng bờ là đường thẳng AB kẻ 2 tia Ax, By cùng vuông góc với AB. Trên tia Ax lấy điểm I khác A, tia vuông góc với CI tại C cắt tia By tại K. Đường tròn đường kính IC cắt tia IK tại P. a. CMR: Tứ giác CPKB nội tiếp được đường tròn. Xác định tâm đường tròn đó. b. CMR: AI . BK = AC . BC c. CMR: Tam giác APB vuông. d. Cho A, B, I cố định. Tìm vị trí điểm C để diện tích tứ giác ABKI đạt giá trị lớn nhất.

tính giá trị biểu thức; A = (x - 1) ³ - 4x(x + 1)(x - 1) + 3(x - 1)(x ² + x +1) với x = -2 B = (x - 1)(x - 2)(x ² + x + 1)(4 + 2x + x ²) với x = 1

1/ Jane is ___ athletic of all the three women ( little ) 2/ His lectures are much ___ than her ( comfusing ) 3/ Henry and Doras are careful , but Olga is _____ of all the three ( careful ) 4/First Avenue is ____ than highway 70 ( narrow ) 5/ I like living in the country It's far ____ than living in a town ( simple ) 6/ We stayed at _____ hotel in the city ( cheap ) 7/ David is the______ person I've known ( generous ) 8/ Joe's apartment is _____ than mine ( comfortable ) 9/ Alaska is _____ state in the United States ( big )