-How many ____________did you do yesterday?
-Six Patients were ____________on.
| A．operation,operate | B．operate,operation |
| C．operations ,operated | D．operations,operate |
---What do you do after school?---I practice_________ the guitar.
| A．play | B．plays | C．to play | D．playing |
It takes ___ thirty minutes to get to school by bike.
| A．my | B．me | C．I | D．we |
He always goes to work on time. He is _______ late.
| A．usually | B．often | C．never | D．always |
---Can you join us for dinner tonight ?
--- Sorry, I’m afraid not. I _______ look after my sister.
| A．can’t | B．can | C．have to | D．has to |
He likes reading and __________.
| A．running | B．runs | C．to run | D．run |