----I didn’t realize how popular the restaurant was until I made a reservation the other day.----I beg your pardon, but when ?
_____ extremely exhausted, I turned to look at the puppy that _____ at the door.
—May I borrow your English novel now?—______. I’ve been reading it since yesterday.
One can not do _______ small talks well for ______ lack of confidence.
---You look unhappy, what’s happening, my son? ---I’m wondering how long it’ll be________ we come to China again.
---Where did you save the drowning girl, _________parents were both professors? ---It was from the lake __________ she often went fishing.