A British man who ____ to play practical jokes ____ his own humorous art work in four major New York museums over the last two weeks.
It’s easier to catch a _____ lion than the one that’s awake.
Mr. Smith didn’t go to the party because he had a lot of experiments _____.
Only if he gets a job ______ have enough money to build his own house.
Harry _______ golf after graduation from college.
---It’s a pity that the trees are going to die. ---_____ more attention, they could have grown better.