d=10.D=10.2500=25000(N/m3)

510 NHA

4.What is your address in Viet Tri?

5.i live in Ha Noi with my parents now.

6.Do you like living in the country?

7.linda lives in a small and busy city.

8.i didn't live in the village in the mountain.

9.what is her village like?

10.Tony's city is crowded and busy.

TICK GIÚP VS Ạ^^

B.N/m3 nha

khối lượng riêng=khối lượng:thể tích

D=m/V

Trong đó:   D là khối lượng riêng(kg/m3)

                  m là khối lượng(kg)

                  V là thể tích(m3)

tick đúng hộ mik nha^^hihi

1.C

2.C

1.it was such an old house that it needed repairing.

2.she was busy so that she couldn't come to my birthday party.

3.Mai spent five hours going to the seaside lastweek.

4.she's used to get up early in the morning.

5.He doesn't speak slowly enough for us to understand.

TICK GIÚP VỚI Ạ^^

C.

1.do     2.will scream      3.is       4.won't mind        5.doesn't call        6.cost       

7.will Greg be         8.don't get

B

1.go   2.will cook     3.are     4.bỏ(won't)      5.will be     6.will        7.will