He is really nervous. He ______back and forth all the night waiting for the results.
A. has been walking B. had walked
C. walked D. is walking
Mary _______as a secretary in this company for twenty years and now she stays at home taking care of her own garden.
A. has served B. had served
C. is serving D. served
The company invested 80 percent of the money in training the staff, the rest of which ____saved for other purposes.
A. is B. are
C. was D. were
It was MaYun’s persistence and innovation ______contributes to the success in his career.
A. which B. what C. who D. that
_______for the villagers that he gave away all his money and belongings.
A.So the traveler was grateful
B. So grateful the traveler was
C.So grateful was the traveler
D.Grateful was the traveler so
Last night, Bob made a call to me, ______sorry for his absence from my wedding ceremony.
A say B. saying
C. said D. to have said
