The USA once ___ ___ war against Japan in 1945 and now it is bombing Libya.
| A．announced | B．declared | C．commented | D．stated |
—I hear that Tom can’t afford his schooling this fall．
—____, let’s do something for him．
| A．If so | B．When necessary | C．When possible | D．If any |
An earthquake of 9 magnitude struck off the coast of Japan on Friday,______ thousands of people dead and more missing．
| A．caused | B．causing | C．having caused | D．to cause |
If my lawyer ______ here last Friday, he _____ me from telling the truth.
| A．had been; would have prevented | B．had been; would prevent |
| C．were; would prevent | D．were; would have prevented |
Mr. Black is an experienced engineer , and he will be employed to us in improving our equipment .
| A．assist | B．consider | C．provide | D．offer |
—How much do you know about the 3D film technology?
—A little. Not until _______the hot movie Avatar _______ some about it.
| A．did I see; did I begin to learn | B．I saw; I began to learn |
| C．I saw; did I begin to learn | D．did I see; I began to learn |