Not having worked out the program, ________ leave the office.

When should I hand in my paper?－It after class.

I don’t think possible for us to learn a foreign language well without hard work.

So many problems! I’m too tired. — You should try to _____________ them by yourself. You’re not a child any longer.

It’s Sunday today, so you get up so early.－Yes, I can have a good rest.