英语同义句转换,我有好多都不会,请英语高手帮帮忙

肯定都对哦，不懂问我

1:I stayed in the room for six hours.
I [[[spent]]] six hours in the room.
2:jack said he would study hard next year.
jack [[[promised to]]] study hard next year.
3:ann spends at least half an hour in the gym every day.
[[[It takes]]] ann about at least half an hour in the gym every day.
4:the house was still there but there was no noe in it after two hundred years.
[[[Long long ago]]],the house was still there but there was no noe in it.
5:Both the girls are my students.
The girls [[[are both]]] my students.
6:you must keep the windows closed.
[[[Keep closed]]] the windows.
class 1 is the winner of all the games.
class 1 [[[win]]] the game and class 2 [[[lose]]] the game.
这里表示班级成员的活动，所以谓语动词用复数
7:could you please not check it?
[[[Would]]] you [[[please not check]]] it?
8:john fell ill two weeks ago.
he [[[was]]] ill for [[[two weeks]]]?
9:It's terrible that I didn't go anywhere this summer holiday.
It's terrible that I [[[went nowhere]]] this summer holiday.
10:he is good at English.
he [[[does good in]]] English.