Child as he was, he ________ a good idea to solve the problem.
—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.
She was afraid that unless the train speeded up she would lose her _____ to Scotland.