You’d sound a lot more polite if you make a request _____ a question.
— Why are yo always making such mistakes, Jack?— Sorry. I think I was not ________ this morning. A. myself B. for myself C. to myself B. by myself
Many people have been ill with a strange disease these days, _______ we’d never heard of before.
His sudden look of fear made _____ clear that he had something to do with the matter.
The best job is ____which uses your skill in doing something with your interest in the subject.
Teenagers are warned to be careful when making friends online, because when you can’t see a person, they could be __________.