Plans have been proposed ______ the largest dam in the world to be built along the Congo river.
Have the villagers already known ________ we’ll do is to rebuild the bridge?
—Did you forget about my birthday? —________. I should have booked a table at Michel’s restaurant for you.
It is known to all that ________ People’s Republic of China is ________ biggest developing country in the world.
No one has _____ been able to trace the author of the poem.
The ship was _____ in a storm off Jamaica.