ant a house, wewould rather live in a flat.

I know nothing about American history. So when I ______ about it, I couldn’t answer it at all.

g snow caused great ________ to thepeople living in the south of China, ________ some of them homeless.

Tom is weak in physics. He always feels _______ beforehe takes a physics test.

Could I talk with you right now? I have something urgent. — If you _____, please come to my office. [ ]