Mid-Autumn Festival usually __ in September or October.
—I’m afraid I can’t ________ you, sir. Can you speak more slowly? —Of course.
—Hey, Jack. Waste paper ________ here.—Sorry, I won’t do that again.
Our team tried our best, ________ we failed the match at last.
Mr. Li will go to Guangzhou by air. His workmates are ______ at the airport.
The computer in 1946 in America.