He asked ______for the new mountain bicycle.

— Why does the lake smell terrible?— Because large quantities of water____.[ ]

9,500 drivers ____ since the beginning of theyear, 23% were found ____ in road knowledge.

My classmates _______ nice to me and they _________ me very much .

I am sorry that I can not meet you at theairport. I Changshaby the time you come back from abroad.