1.Thirteen minutes ago,the train_____(leave).
2.The British and the Russians wanted_____( build)the railroad.
3.Would you like_____ ( come) to my party?
4.A lot of_____( foreign) visited our school yesterday.
5.People on Earth_____( watch) Yang Liwei's space flight on TV.
6.The plane landed_____ ( safe) at the airport.
7.Betty_____ ( wave) to his mother and ran to her quickly.
8.Winter_____ (last) from December to February in China.
9.There_____ ( be) no one in the room a moment ago.
10.I listened but_____ ( hear) nothing.