Suddenly the idea came to me Imight turn to Mr. Smith for help.

The Chinese government took great measures to prevent the spread of A(H1N1) virus otherwise it ____more people. [ ]

Harry telephoned to the airport to______ whether Flight 24 for San Francisco is departing on time.

People should stop pouring dirty water into thelake.— _______. It will cause pollution.

Children should be instructed to put things　　　　they belong in their early childhood.