The man couldn’t afford a new flat. _____, he bought a second-hand one.

How often ___________ the Olympics_____________—Every four years.

Excuse me, may I use your bicycle is broken.—Certainly. But remember to return it before lunch.

Chris wants to know____ “truth. or dare（真心话大冒险游戏）”at your birthday party.Yes. But if he doesn’t like it, we’ll play guessing games instead.

I could have helped the old man ______ yesterdaymorning.