I knocked at the door hard,and soon the door opened and a _____ face looked out, “ who is troubling me at this time of night.”
. —Was _________________ problem solved? —We were trying to think of _________________ way out, but it was difficult to find one.
. Take the spare batteries with you _________________ you need them.
. —Which T-shirt do you prefer? Blue or green? — _________________ will be OK. I don’t mind.
. It's so nice to hear from her again. _____________, we last met more than thirty years ago.
. -------Excuse me, sir,_______________ -------I’d like a cup of coffee and two pieces of bread.