2. We must know the _____ of other countries, so that they will not think us ill-mannered.
She treated me as if I ___ her own child.
If I ___ you, I would do it another way.
If you had seen Mr. Chang at the meeting, you __ what to do now.
All of us went to the park ___ Hsiao Wang .He was ill at that time.
Mr. Chang is not only a teacher, ___ a writer.