A.选用方框内所给词的适当形式填空，词限用一次。

小题1:He has been         (collect) coins for 2 years
小题2:The population of China is the        (large) in the world
小题3:My grandma got a special gift on her        (ninety) birthday yesterday
小题4:These days many         (foreign) from all over the world go to visit San ya
小题5:Dropping litter is almost never         (allow)
B、根据句意及词首字母或汉语提示，补全单词。
小题6:May I have a s        ? I want to post a letter
小题7:We are not         (应该) to play football in the street
小题8:Milk is wearing a new pair of         (牛仔裤)
小题9:Talk loudly in a library，a museum，or a movie theater is
i       
小题10:The children are old enough to look after t      .