If you _____ the medicine you _____ better now.
—You seem familiar with Mr. John?—Sure, we ______ together for three years in the 1990s.
Most students think this book is useful as it _______ all the basic grammar rules they need to know.
—Mr. Smith, would you have some more ice-cream?—No, thanks. It’s very good, but I have to ______ my weight, you know.
Because they hadn’t booked a room in advance, there were______ left when they arrived at the hotel.
We were caught in________ heavy rain but afterwards we enjoyed_________ bluer and cleaner sky.