He was busy writing a story, only once in a while to smoke a cigarette.
You can never imagine what great difficulty I had ________ his parents.
—Who called just now, Sam?—It’s Terry. She asked _____.
I don’t think she is a wise woman; I am _____ her empty talk.
—Do you know the most ancient city in China—Xi’an well?—No,this is the first time I ________ here.
The number of people invited ______fifty, but a number of them ______absent for different reasons.A. were; was B. was; was C. was; were D were; were