Wow ! Everything ______ half price. That is too great .

It’s a beautiful，sunny day! There ________ many people here on vacation.

Tom, you look tired this morning. What’s wrong? —I was so busy that I didn’t go to bed _______ 12 o’clock last night. [ ]

Amy , I would like your uncle to help me repair the computer. —Sorry, he _____help you today . He won’t come back until tomorrow.

Could you please have a walk with me?—Sorry, I _______. I have something important to do now.