arx was in London, he _______ read atthe library for hours.

uncertain ______ side effects theseweight-loss drugs will bring about, although hundreds of thousands of patientshave taken it.

I’ll join the music club ________ Mary is in the club, too.—You mean if Mary joins the club you’ll do, too

A: Thank you for giving us so much help.B: _______.

Why do English people talk so often about the weather when they start a conversation— Because the weather is a __________ subject.