Although he has lived in China for many years, Mark still can not __________ himself to the Chinese customs.
Last night, Bob made a call to me, ______sorry for his absence from my wedding ceremony. A sayB. saying C. said D. to have said
______we cannot close the gulf between us, we can try to bridge it so that we may be able to talk across it.
_____he misunderstood my position on the problem was obvious from his comments.
____once a year by fire officials, whether a school is large of small, is a regulation that must be carried out in this country.
We were delayed at the airport. Otherwise, we_______ here by lunch time.