--How soon will Henry be back?—He said he would come home ___ four o’clock.
We students should treasure the short senior school’s study life of three years. Once ________, the opportunity can’t get back.
She suggested the problem worth paying attention ________ at the meeting.
We all hold ________ belief that those who have ________ wonderful sense of humor are more popular.
Tonny’s parents thought he was at school,but________he was in a net bar.
—Do you need any help,Lucy? —Yes.The job is________I could do myself.