George: may I speak to Mr. Ben? Secretary: I’m afraid he ......a meeting right now. Could you call back.

Which one of the underlined words or phrases is INCORRECT? My brother explained me the difficult math problem so I was a…

The students ...................... a new way to process water for six months now.

Which of the underlined words in the following sentence is in CORRECT? The English premier league was wined this year in…

Hey John, ....................... took my book?

In which sentence is the CAPITALIZATION correct?