IX :
3/The man telephone his wife at 2 o'clock
4/He has been in viet nam for ten years
5/I get up at half past five
6/I had some bread and omeletes
7/It was at six o'clock
9/I watched television
10/I went to bed at ten o'clock
X :
4/When the farmer started whistling he was ploughing the field
7/The man came in while she was reading a book
8/The volcano erupted while thay were working in the field
9/the lava hit the town when the ship was leaving the horbor
10/someone hit the headmaster on the head while he was going to his car
xin hay nhất ạ
