1.We ____are playing___(play) soccer in the yard now.

2.Mrs.Hoa ____doesn't live____(not live) in town . She __lives____(live) in a house in the country.

3.It's nine o'clock in the morning .Lien ___is____(be) in her room .She ____is listening____(listen) to music.

4.My sister____gets____(get) dressed and ___brushes______(brush) her teeth ai six o'clock every day.

5.How do your children __go____(go) to school every day?

6.Who are you ____waiting___(wait) for , Duy?

-I ____am waiting___ ( wait) for Mrs.Quynh.

There are four ____musical_____ in that pop music. MUSIC

Vận tốc xuôi dòng là :
800/8 = 100 ( m/ phút )
-> Vận tốc thực là :
100 - 18 = 82 ( m/phút )
Vận tốc ngược dòng là :
82 - 18 = 64 ( m/phút )
Đáp số : Xuôi dòng : 100 m/phút
Ngược dòng : 64 m/phút