HOC24
Lớp học
Môn học
Chủ đề / Chương
Bài học
1." breakfast won't be served after 9:30" said the notice
-> the notice said...........
2. "What do you do every morning?" lan asked
-> lan asked me......
3. " how long did you visit your grandparents?" he asked
-> he asked..........
4. "what do you want for luch today, Peter?" Marry asked
-> Marry asked........
CH\(_4\) + O\(_2\) ----->.......
P + O\(_2\)------>........
........+.........-------> H\(_2\)SO\(_4\)
........+........------->H\(_3\)PO\(_4\)
KMnO\(_4\) -------->.........+........+.......
KClO\(_3\)-------->.........+.......
1." you had better not lend him anymore money, Mai" said John
-> John............
2." Where are you going ?" he asked her
-> he asked her........
3. " Which way did they go ?" he asked
-> he asked.......
"I want a camera for my birthday" he said
-> he said..........
"he's not at home" he said
-> he said...............
"open the door" he said to them
-> he ..............
"we're going spend our holiday in this beautiful camping site" the tour guide said to them
-> the tour guide ..........
"she is my best friend" John told us
-> John told us............
đg AB dài 220 km. Cùng 1 lúc 1 xe máy từ A-B và 1 ô tô từ B-A với vận tốc lớn hơn vận tốc xe máy là 30 km/h. Biết 2 xe gặp nhau tại 1 điểm cách A là 80 km. Tính vận tốc mỗi xe