I _____ in New York for two years, but I’ve never regretted my final decision to move back to my motherland.
There are some police cars in front. What do you suppose _____?
Tina _____ have known the truth, or she would have told us.
_____ their real economic situations, they got some relief fund from the government.
No matter how frequently _____ the works of Beethoven always attract a large number of people.
The great use of school education is not so much to teach you things _____ to teach you the art of learning.