We haven't settled the question of ______________ it is necessary for him to study abroad.
— What has made him unhappy recently?— __________ alone to do the house work.
His car ran over another in the highway! Too horrible! _____ he is safe now—that's the main thing.
He pretended not to care but that remark _________ his real opinion on the matter.
Tom told us all that he said at the meeting was really true.
We are greatly encouraged by ______ great expectation the people of all ethnic groups in China have of us, and we are aware that this is also ______ important responsibility for us.