--- Must I return the book this week?
--- No, you _______. You can _______ it for 20 days.
| A．mustn’t; keep | B．needn’t; borrow |
| C．needn’t; keep | D．mustn’t; lend |
—Hi, guys. Where are you heading now?
—Home. We _________all our money, so we have to walk home now.
| A．spend | B．spent | C．have spent | D．are spending |
This math problem is too difficult. Can you show me________, George?
| A．what to work out | B．to work i t out |
| C．how to work it out | D．how to work out it |
—Who is the little girl in the picture?
—It's me. The picture __________10 years ago.
| A．took | B．is taken | C．has taken | D．was taken |
—Mom, when can I go out to play football?
—Finish your homework first, or I ________let you go out.
| A．don't | B．didn't | C．won't | D．haven't |
What time do you expect her________?
| A．arrive | B．is arriving | C．arriving | D．to arrive |