The red bag is nighter than the blue one .

The blue bag is the lightest .

A bottle of cooking oil's cost is 40.000 dong .

The price of a bottle of cooking oil is 40.000 dong .

1 . The sky is very dark . I think it going to rain .

2 . David is washing his hands . He just repaired the television set .

3 . Come to see me at 5 this afternoon . I don't arrive home until 4.30 .

4 . Don't talk , please ! The baby is sleeping .

5 . It is raining hard . We can't do anything until it stop .

6 . Would you mind turn on the light ? I hate sit down in a dark room .

D . Văn tả sự vật , hiện tượng

                                                                    Giải

Thời gian người đó đi hết quãng đường AB mà không nghỉ là:

9 giờ 15 phút -7 giờ 25 phút - 15 phút =1 giờ 35 phút

Đáp số : 1 giờ 35 phút