Rewrite each of the following sentences so that its meaning stays the same
1. I didn't see the signal,so I didn't stop
->...........................................................
2.She's very shy,that's why she doesn't enjoy parties
->...................................................................
3.I didn't know your number,so I didn't ring
->..................................................................
4.He doesn't earn as much as I do because he doesn't work overtime
->..................................................................................
5.He's very thin,perhaps that's why he feels the cold so much
->..............................................................................................
6.She didn't speak to him,possibly because she was so shy
->.......................................................................................................
Rewrite each of the following sentences so that its meaning stays the same
1.He was so lazy,that's why he was dismissed from his job
-> But for...................................................................
2.I didn't go o the party,so I didn't meet my friend
-> If I.......................................................................
3.If anyone objects to my plan,I will change my mind
-> Should anyone............................................................
4. John is in prison because he robbed the bank
-> Had...............................................................
5.Without luck,he would have failed the driving test
-> If he.........................................................................
6.It was raining heavily so I couldn't see the road clearly
-> If it.....................................................................
7.If he were the last girl in the world,would you marry him?
-> Were............................................................
Trong phân tử MX3 có tổng so số hạt p, n, e bằng 196 hạt. Tổng số hạt p, n, e, trong nguyên tử nguyên tố X là 52 hạt, trong đó số hạt không mang điện nhiều hơn số hạt mang điện trong hạt nhân là 1 hạt. Xác định công thức phân tử của MX3
I.
1. When I (arrive).......... at his house he still (sleep)....
2. As we (cross) ..........the street,the policeman (shout)..........at us
3.The light(go)........go out when we (have)............dinner
4.The children(do).........their homework when their father (come)............ back from the office
5. Bill(have).............breakfast when I (stop)........at his house this morning
6. While I (walk)............about the park,I (see)...............Mr.Jone
7.When I(go)............out the sun (shine).................
8. Just as I (leave).............. for home,a student(stop).............. me in the hall
9 When the students(hear)........... the bell,they (get).............. up and(leave)............
Lúc 8 giờ sáng,một người khởi hành từ A chuyển động thẳng đều về B với vận tốc 20 km/h
a) Lập phương trình chuyển động(chọn A là gốc tọa độ,chiều dương từ A đến B,gốc thời gian lúc người ở A)
b) Lúc 11 giờ người đó ở vị trí nào
c) Người đó cách A 40km lúc mây giờ
D)Lập phương trình chuyển động nếu chọn B làm gốc tọa độ,chiều dương từ B đến A
Make sentences with Past continuous and simple past:
1. We/discussing many things when/headmaster/come/in
2.When/teacher/come in/,Lam/clean/blackboard
3.Dick/listen/classical music/when/friend/arrive
4.They/work/garden/when/it/start/rain
5.When/telephone/ring/I/read/novel
6.When her father/enter/room/Lan/clean/floor
7.We/watch/television/when our father/call/us up
8.It/raining/when we/get/school
9.Tom/talk/another boy when I/see/him this morning
10.When the bell/ring/I/have/lunch
11.While Bob/clean/windows/Peter/wash/dishes
12.While/we/read/novels/she/listen/radio