Take care not to get your shoes ______ in mud.
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.
Henry's news report covering the conference was so _____ that nothing had been omitted.