He felt that there __ something wrong about it.

Look, the man looks like Mr. Brown.— It ________ be him, for he ________ Australia since last Thursday and hasn’t returned.

It is hoped that you can make some adjustments about the quality of your service the reactions of the customers

People have learned a lot fromstudies．

She doesn’t care about what others think; She’s not at all ______ to other people’s feelings.