---Mr. White didn’t come last night, did he? ---No. We for him. A whole night was wasted. A. had waited B. have been waiting C. were waiting D, had been waiting
—Are you free after school? —Sorry, I’ve planned to treat a friend of mine to dinner ______ for help.
---How did your students express their thanks to you on Teachers’ Day? ---A gift together with many flowers _______ sent to me.
We arrived home at 9:00 in the evening, __________most people had already had supper.
This book is said to be a special one, which ___________ many events not found in other history books.
He is only too ready to help others, seldom, ____, refusing them when they turn to him.