Doctor, I can’t see that. —— Let me see. Well, you need a pair of .

How do you usually deal with the problems ——I usually do that _______ thinking hard or asking the teacher for help.

Must we sweep the floor right now No, you _______. You can do it later.

Mr Johnson, what are teachers supposed to do for the students?—As teachers, we feel ________ our duty to teach our children to be good wherever we are.[ ]

You ________ come to his officeOur boss won’t be back until next week