I wonder if you could go with me to the supermarket.—Sorry. I _______ my experiment report all the morningand haven’t finished yet.

Yang Liwei_____about twenty-one hours in_____around the earth fourteen times.

You are allowed to go out______ you promise to be back before 11 o’clock tonight

I’m still working on my project.— Hurry up, or you’ll miss the deadline. Time is_______________.

This book is very ___________ and I am ___________ init.