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      .