He found several useful books in my bookcase.
举一反三
- Every semester after final exams are over, I'm faced with the problem of what to do with books of lecture notes. They might be useful someday, but they just keep piling up on my bookcase. Based on the context, what is the given information, A, B, C, or D?（ ）。 A: They, they B: lecture notes C: bookcase D: books
- Which is an<br/>example of a deductive argument? A: There are 25 CDs on the top shelf of my bookcase and 14 on the<br/>lower shelf. There are no other CDs in my bookcase. Therefore, there<br/>are 39 CDs in my bookcase.
- His parents asked him to buy books ______ he found useful and necessary for his study. A: whichever B: whatever C: whenever D: however
- My father bought me several books, but _____ was interesting. ()
- This is ______ (useful) book I’ve ever found for my research.