If you _____ the medicine you _____ better now.
In the face of ______ failure, it is the most important to keep up _____ good state of mind.
He was always _______ for knowledge, and at last became an expert in the field of art.
______ at the crossing and you will see a tall white building.
Rather than ______ at home playing cards on the Internet, I prefer _______ out for a day trip.
Two-thirds of the land ________ covered with green grass and the rest _______ covered with pine trees.