Andy, you were the only person that was late for the meeting, why? —Sorry, sir. But I really had a __________ time finding the meeting hall.

I have heard of_______ Michael Jackson, but not_______ famous one.

______ do you have a computer class? —Twice a week. [ ]

One of the students _______China.

Rather than _________ on a crowded bus, he always prefers ________ a bicycle.