He doesn’t think the question of ________they are boys or girls is important

In his lecture, the professor referred to the belief, in contrast to all other countries, ______the elderly are wise, ______is particularly dominant in the Chinese culture

He is working hard, ______will make him pass the final exam.

Could you please tell us _____ the famous singer will come for his performance? —Probably in weeks, and the tickets won’t be expensive

Haven’t seen you for ages! Where have you been, anywhere — I _______ to New York City. I just got back.