_____, experts point out that students can easily fail at starting their business because of a lack of preparations.
Many people in China are ________ a “Hope Project”, helping poor children to get compulsory education.
But for the storm, we __________ a pleasant journey, but had to turn back halfway.
I ________ up early this morning, so I stayed in bed until 8 o’clock a.m.
— What’s the matter with Peter?— He was seen crying when he was coming out of the office.He ________ by the manager.
— It _______ be Mr.Johnson who is in the office.— No, it _______ be him.I saw him off at the airport half an hour ago.