(根据括号中所给的汉语写出单词) 梂ho is Daniel __________ (争论) with?

桯is best friend，Simon．

(根据括号中所给的汉语写出单词) The boy didn't pay much __________ (注意力) to the exercises and he failed．

(用所给动词的正确形式填空，完成句子)

　　Don't forget __________ (lock) the door when you leave the house．

(用所给动词的正确形式填空，完成句子)

　　Look! She is showing the young children how __________ (use) the computer to

send e-mails to others．

(用所给动词的正确形式填空，完成句子)

　　He is afraid of __________ (swim) in the sea．He thinks it's dangerous．

(用所给动词的正确形式填空，完成句子)

　　Would you mind my __________ (open) the window?

(用所给动词的正确形式填空，完成句子)

　　The elderly must __________ (speak) to politely．

(用所给动词的正确形式填空，完成句子)

　　There is a boy __________ (play) football on the playground．

(用所给动词的正确形式填空，完成句子)

　　Please continue __________ (draw) the picture on the wall．You'd better finish

it in two days．

(用所给动词的正确形式填空，完成句子)

　　Our knowledge of the world __________ (grow) all the time．