Tim Bemers-Lee is generally considered ______ the World Wide Web, on which all the information is shared by all.
I am quite sure that Mr. Smith will take up his story ___ he stopped yesterday.
–What is the theme about for the meeting this evening?. --No idea. Perhaps we will have to discuss the plan ___ a few days later.
Whenever a patient needs an injection of Penicillin, the doctor does need to make sure whether his patient is ___ to the medicine.
With all the food supply ___, the researchers had to put an end to the wildlife protection project and returned home.
I was not hearing to the teacher, or else I ___ his questions. A. answered B. had answered C. would have answered C. have answered