Mr. Green didn’t understand ________made his daughter so absent-minded.A. how that was B what was it C. why it was that D. what it was that
Having said goodbye to their friends, they _______ for home. A. set about B. set up C set down D. set off
—Did the winner of the English Contest behave well? —Really. She made a deep ________ on the judges.
It had been half an hour before she found herself _____ in the wrong direction of her home.
His ability is beyond question; ______ has been in doubt is ______ he is prepared to work hard.
Most people would agree that nuclear science should be developed to benefit the human beings_______ harm them.