Don’t worry, sir. I’m sure I can run _________ to catch up with them.
A. fast enough B. enough fast C. slowly enough D. enough slowly
—Must I stay here till you come back?
—No, you ________.
A. mustn't B. can't C. needn't D. shouldn't
—Do you know sound travels very fast?
一Yes. But light travels _________ sound.
A. much faster than B. a little faster than
C. as fast as D. slower than
I didn’t buy the second-hand book because the seller wanted _______money than I had expected.
A. less B. least C. most D. more
The year “1999” should be read “The year_______.”
A. nineteen and ninety-nine B. nineteen ninety-nine
C. one thousand nine hundred ninety-nine D. nineteen hundred and ninety-nine
_______ is wonderful to have a swim in such hot weather.
A. This B. He C. It D. She
