-Tom,don’t throw the rubbish on the floor.We should keep the classroom . -Oh,sorry.Miss Wang. A.clean B.quiet C.dirty
---Can I help you?---Well, I’m afraid the box is _______ heavy for you, but thank you all the same.
---Must I do the work today? ---No, you _______. You may do it tomorrow.
---Help _______ to some cakes, Jim.---Thank you.
It was a difficult time, but we never ________ hope.
–How about the exhibition that day? --It was very noisy, but that didn’t ________ me.