At last, the boys found themselves in a pleasant park with trees providing shade and down to eat their picnic lunch.
A．to sit B．sat C．sitting D．having sat
Most of we call geniuses (天才)are successful only because they have made extraordinary efforts.
A. whom B. who C. what D. which
—Did you get my letter?
—I received one just as I .
A．set out B．had set out C．was setting out D．would set out
When she called at his studio, she that he had gone to Japan.
A．is told B．was told C．tells D．told
Robert made a call to his parents yesterday afternoon. To his disappointment, of them answered it.
A．either B．both C．none D．neither
I stop by sometime and thank her for all her help.
A．must B．would C．could D．ought
