--- Why was Professor Zhang unhappy recently? --- Because the theory he insisted on _____ wrong. A proved B proving C being proved D was proved
Returning to my hometown, _________.
It’s _______ that you’ve got a headache; you drank too much last night.
---I can’t work it out in this way. ---Why not ________ it another way?
The _______ performance ________ everyone present.
The course will give a general introduction, _________, it also provides practical experience.