—________ one and a half months enough for the project to be finished?—I am afraid not. The professor is ill and only after he recovers ________ go on with it.
It was __________ cold winter night and the moon was shining brightly across __________ night sky.
Animals are obviously __________ lower form of life than __________ man.
There are over 58, 000 rocky objects in __________ space, about 900 of which could fall down onto __________ earth.
Experts think that __________ recently discovered painting may be __________ Picasso.
I woke up with __________ bad headache, yet by __________ evening the pain had gone.