John ________ to Japan on business. He’ll be back ________ a few days.

—When Tom got to the examination room, he realized he ______ his pen at home.－Oh, he is too careless.

I don’t know when he _______ tomorrow, when he    tomorrow ,I will tell you.

— Look! The light is still on in our teacher’s office.— Probably she ______ her work yet.

—Do you have any problems if you ______ five minutes to read?—Well, I’m thinking about the new words. There are too many.