Many undergraduates offer their v__________ service in the World Expo of Shanghai.
I joined the company in 1985，on a s __________ of $2，200 a year.
If you are going to walk in the mountain, strong boots are e __________.
He __________(说) that it was getting late.
In this respect, French __________(不同）from English.
Lisa's name had been __________(遗漏）from the list of honor students.