While ______ in Scotland, he made friends with the natives there.
| A.working | B.worked | C.he works | D.he is working | 
. – How did you spend your national holidays?
 – Oh, I________most of my time watching TV, and then I was invited to visit a relative in Qingdao.
| A.have spent | B.was spending | C.spent | D.had been spending | 
It shocked us all________that little boy hadn’t been separated from that patient, he would have been infected with H1N1.
| A.if that | B.that if | C.if | D.that | 
To tell________truth, his coming is really_________big surprise to most people present at the party.
| A./ ; a | B.the ; / | C.the ; a | D./ ; / | 
_____ holiday, my family will go to Shanghai to visit the World Expo.
| A.To talk of | B.Talk of | C.Talking of | D.Talked o | 
Everyone in our school is working hard and doing what we can _____ a good college.
| A.enter | B.to enter | C.entering | D.entered |