---This is John Smith from Pacific Bell in California. Could I speak to Mr. Green, please?---_________.
The visiting Minister expressed his satisfaction with the talks, _______ that he had enjoyed his stay here.
"We must keep a secret of the things _______ here", the general said, _______ at the man in charge of the information office.
.China is one of the largest countries in the world, _______ 9.6 million square (平方) kilometers.
We advised them to take a rest, but they insisted _______ the work.
I delayed _______ your letter because I had been away for a week.