--- Why was Professor Zhang unhappy recently? --- Because the theory he insisted on _____ wrong. A proved B proving C being proved D was proved
They considereda computer, which was considereda great help in their work.
The number of people invited __________ fifty, but a number of them _______ absent for different reasons.
The place was flooded ________ it had been raining for several weeks.
Mr. Smith has been here for only a few days, so he hasn’t left a deep impression _____ us.
I don’t think she will come to the meeting on time,?