—You look so tired. What’s the matter?—I was so busy that I didn’t go to bed 12 o’clock last night.
---I’ll do the washing-up. Jack, would you please do the floors? --_______.
Give me your telephone number ____I need your help.
---Do you think the last problem in this math test difficult? ---Yes. I could work it out.
---I’m going to take part in the piano competition next week. --- _____
---Why haven’t you asked her to come here? ---She _______ an important experiment when I found her and she _____ it.