—Whendidaccidenthappen?—Letmes-优题课

— When did          accident happen?
— Let me see. It was on           very hot afternoon in July, so there was not much traffic in the street.
A. an; a         B. the; a          C. an; the

科目英语题型单选题难度较易

—What’s _____most useful invention in the 20th century?
—_____ computer, I think.

A．the, A

B．a, A

C．the, The

D．/, The

— Tom, you are going to buy a new flat here, aren’t you?
— Yes, but I can’t _____an expensive one.

—Open the window, please.
—Certainly. Which one? _____ beside the door?

—I’m going to take my driving test tomorrow.
—_____!

I felt it hard to keep up with my classmates. But when I want to _____, my teacher always encourages me to work harder.