Một phòng họp có 360 chỗ ngồi được chia thành các dãy ghế có chỗ ngồi bằng nhau, nhưng do số người đến họp là 400 người nên đã phải kê thêm 1 hàng ghế và mỗi hàng phải tăng thêm 1 ghế nữa mới đủ chỗ. Tính ban đầu phòng có bao nhiêu ghế và mỗi hàng có bao nhiêu ghế

giúp mk ạ

1.his old house is bigger than his new one

-his new house

2.this exercise is easier than that one

-that exercise is not

3.my father can't cook as well as my mother

-my mother can cook 

4.she studies better at math than you

-you don't

5.this is the most interesting film of all

-no other film are

6.no one in the group plays better than he 

-he can

7.no hotel in the city is as comfortable as this 

-this hotel is the 

8.no river in the world is longer than the nile

-the nile

9.my houseis smaller than your house 

-your house

10.marry cooks better than her sister

-marry's sister

l.complete

1if/ it /rain hard,they/go/camping,won't they?

2.brother/live/Ho Chi Minh city/for two year

3.l/my homework/bed room/two house ago

4.if/it/fine/tomorrow/we/fishing

5.they/ live/ here/ since/ they /be/ born

6.how long /they /build/ this house?

7.l /not/enjoy/play/soccer/evening

8.he/not/often/go/a walk/the morning

9.l /going/visit/sapa/family /next summer

10.she forget/do/homework/yesterday

11.they /skip/schoolyard/the moment

12.Mai /more/beautiful/sister

13.she /good/than/sitter

14.he /work/university/Ha Noi/moment

15.l /not/listen/music/tomorrow

ll.Arrange

1.is/than/shorter/the Mekong river/the Red river

2.going/we/have/at/to/apicnic/are/weekend

3.wants/Chi/in/to go/the winter/camping

4.not/my/l/as/friends/am/clever/as

5.should/at night/at/you/home/stay

                          /help me/

l.complete

1if/ it /rain hard,they/go/camping,won't they?

2.brother/live/Ho Chi Minh city/for two year

3.l/my homework/bed room/two house ago

4.if/it/fine/tomorrow/we/fishing

5.they/ live/ here/ since/ they /be/ born

6.how long /they /build/ this house?

7.l /not/enjoy/play/soccer/evening

8.he/not/often/go/a walk/the morning

9.l /going/visit/sapa/family /next summer

10.she forget/do/homework/yesterday

11.they /skip/schoolyard/the moment

12.Mai /more/beautiful/sister

13.she /good/than/sitter

14.he /work/university/Ha Noi/moment

15.l /not/listen/music/tomorrow

ll.Arrange

1.is/than/shorter/the Mekong river/the Red river

2.going/we/have/at/to/apicnic/are/weekend

3.wants/Chi/in/to go/the winter/camping

4.not/my/l/as/friends/am/clever/as

5.should/at night/at/you/home/stay

1.when they (have)....................a drink ,a waiter propped a pile of plates

2.at this tme last sunday ,they(play)..........................soccer

3.mr Lam (work)........................... in the library when the phone rang

4.of course i know them.They(live).....................next door to me some year ago

5.my counsin and l(watch).............................a film on TV last night when my brother (come).................... .He (watch)........................the end of the film with us

6.l (practice).........................speaking english while my sister (play)................with toys

7.when i (come).....................,they (talk).......................about the show on TV

8.they (know).......................each other since 2000

9.mrs lan(teach).........................in this shool since 1998

10.nam isn't here . He just(go)...............................out

11.l (read).............................this book several times 

12.AIDS (kill)...........................a lot of people recently 

13.she never (eat)...........................this kind of this food before

14.l(not meet).............................him for since we left shool

15.how long....................you(work)........................for this company

16.......................you(watch)..........................the news on TV last night

17.l(not see)...............................him for months

help me