Today, we’ll discuss a number of cases __________ beginners of English fail to use the language properly.
Never before ___________ seen anybody who can play tennis as well as Robert.
Jim went to answer the phone. ___________, Harry started to prepare lunch.
Mary and I see each other ___________. but not as often as we used to.
Father ____________ goes to the gym with us although he dislikes going there.
Gun control is a subject ___________ Americans have argued for a long time.