I’m sorry to have kept you ________ for a long time. A. wait b. to wait c. waiting D. to be waiting
The naughty boy _____ to me that the hen _____ there just now had ____ two eggs the day before.
___________ David showed the report to the public surprised me. A What B. That C. Which D. Who
. —Do you still go jogging every morning? —Yes, I can’t think of a _______________ way to start a day.
—Do you think we are going the right way to the Forbidden City? —Sorry, I’m not sure.But it _______ be.
The reason for his success is ______ he worked very hard.