Who knows the key ____ Exercise 1? Put up your hands.
A. to B. of C. with
—May I speak to the headmaster?
—He ____ a meeting now. Can I take a message?
| A．is having | B．had | C．has | D．will have |
I work hard this term, but Peter works much ____.
| A．hard | B．harder | C．hardest | D．the hardest |
—Mum, must I wash the dishes right now?
—No, you ____.
| A．shouldn’t | B．wouldn’t | C．mustn’t | D．needn’t |
—Where were you last Saturday?
—I ____ in the Capital Museum.
| A．am | B．will be | C．was | D．have been |
Let’s ____ for a walk, shall we?
| A．to go | B．going | C．go | D．gone |