1.What Argentina sold to Canada last year?
2.What we did by this transaction?
3.What they discuss yesterday?
4.What I did with my money?
5.How much days were to doing this?
6.What the rate of exchange was last week?
7.When I speak to New York over telephone?
8.Where he was?
9.When they read our advertisement?
10.How many years ago my sister went on several training courses?