When the woman came back home, she had no idea how it ____ that her husband met with trouble again.
It shocked us all________that little boy hadn’t been separated from that patient, he would have been infected with H1N1.
To tell________truth, his coming is really_________big surprise to most people present at the party.
_____ holiday, my family will go to Shanghai to visit the World Expo.
Everyone in our school is working hard and doing what we can _____ a good college.
If _____, please buy me a backpack while you are at the supermarket.