I’ll go to America to strengthen my English_______ it isn’t too expensive.
An earthquake of 9 magnitude struck off the coast of Japan on Friday,______ thousands of people dead and more missing.
If my lawyer ______ here last Friday, he _____ me from telling the truth.
Mr. Black is an experienced engineer , and he will be employed to us in improving our equipment .
—How much do you know about the 3D film technology? —A little. Not until _______the hot movie Avatar _______ some about it.
—Mary is a(n) painter . —So she is . She won a national award at the age of fifteen .