13. look for , find

(1)I 　　　　him at home at last .

(2)I’m 　　　　him now . Do you see him ?

12. borrow , lend

(1)I 　　　　a book from the library yesterday .

(2)You mustn’t 　　　　it to others .

11. go to bed , go to sleep

(1)It’s time to 　　　　.

(2)He was tired . He 　　　　as soon as he sat down .

10. look at , see

(1)I didn’t 　　　　any boats on the river .

(2)What are they 　　　　?

9. Listen to , hear

(1)We are 　　　　him .

(2)I’m glad to 　　　　the news .

8. the others , others

(1)Lei Feng was always ready to help 　　　　.

(2)Some are carrying water , 　　　　are watering the trees .

(3)Forty students in our class are boys , 　　　　are girls .

7. another , the other

(1)He has two sisters , One is a teacher , 　　　　is a nurse .

(2)Where are 　　　　students ?

(3)Please give me 　　　　orange .

6. all , both

(1)Her parents are 　　　　teachers .

(2)Twenty boys 　　　　came at eight o’clock .

5. ones , one’s one

(1)Lucy has a blue pencil and Lily has a red 　　　　.

(2)Those shoes are smaller . I want larger 　　　　.

(3)　　　 　must do 　　　　duty .

4. and , or

(1)I have a brother 　　　　a sister .

(2)The clock has no feet 　　　　legs .