单项选择题
"Please () why you're so late", said his girlfriend.
A．excuse B．explain C．apologize D．tell
单项选择题 —Shall I take this way or that way — () will do.
单项选择题 —Are you satisfied with the result —Not at all. It couldnt be ().
单项选择题 I was really too busy with my homework and I couldn't help () housework.
