Complete the sentences with the correct prepositions :

1. The children dropped to the ground, exhausted after chasing one another __________ the garden.

2. Michael is sitting ________ the windows. He is waiting for his mother to come and fetch him home.

3. I looked ______ the shelves in the library for the book I wanted.

4. The department stores are usually not crowed ___________ the day.

5. ______ whom are you giving a cake?

6. While in Venice, I sailed ______ the canal and took inne sights.

7. Our teacher wrote some sentences __________ the board and asked us to take them down.

8. The string snapped and the balloon floated __________ in the air.

9. Continue walking _______ that direction. You will reach the beach in no time.

10. The shortest way to the swimming pool is to cut these block of flats

Xét quần thể các loài:

(1) Cá trích     (2) Cá mập     (3) Tép     (4) Tôm bạc

Kích thước quần thể của các loài theo thứ tự lớn dần là

A. (1), (2), (3) và (4)

B. (2), (3),(4) và (1)

C. (2), (1), (4) và (3)

D. (3), (2), (1) và (4)

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