1.Change the sentences into negative and interrogative
a.He sent letter to his friend
=>........................
=>...............................
b.The children wash their hands before meals
=>..............................
=>...............................
c.The people were friendly
=>..............................
=>...............................
2.Sentence transformation
a.The boy spends 3 hours a day learning the lesson
=>It takes............
b.It took me half an hour to clean the floor
=>I
3.Put the words in the correct order
a.returned/they/Hanoi/after/to/visiting /Hue
.....
b.always/me/she/stamps/she/letters/received/gives/the /from
........
Loga
Sinh Học lớp 12
