Plans have been proposed ______ the largest dam in the world to be built along the Congo river.
The boy was observed __________ basketball at eight o’clock yesterday.
______the youth to the rising sun, Mao Zedong paid more attention to the problems that the youth were faced with.
My uncle ____________ in Beijing for over 10 years. Now he lives in his hometown in Xuyi.
Peter said he ______ when he got there but we have never heard from him since then.
The project is reported __________ 3 months ago.