các loạt biển báo thông dụng , đặc điểm tác dụng của các loại biển báo cấm chép mạng nhaa

Các câu hỏi liên quan

Ex 1 : rewrite the following sentences : 1, Lan hasn't writen to Maryam for a month . => Lan didn't ........................................... 2, He has lived in Ha Noi since he was 12. => He started.............................................. 3, I haven't met he for a long time. => I didn't .............................................. 4,How long have you learnt French? => How long ago..............................................? 5,How long have you bought this car? => When did..............................................? 6, When did you start to listen to classical music? => How long ..............................................? 7,I saw her 10 years ago. => I haven't.............................................. Ex 2. Turn into "passive voice ": 1, Someone has just opened this box. => This box has just been opened. 2,My sister made that long - sleeved blouse last night. => 3, That coach trains our national soccer team. => 4, She doesn't tell us this project. => 5,He can answer that question easily. => 6, They grow rice in tropical countries. => 7, They have just introduced a new style of Jeans in the USA. => 8, Are they go in to solve the problem? => 9,Nobody has used this motorbike for a long time. => 10,They performed my uncle's play on the stage. => 11,They have changed the date of the meeting. => 12, They used to help this old woman . => 13, The film disappointed them a lot . => 14, why does the teacher often shout at you? => 15, people must leave the shoes outside the hall. => giúp e với mn oi