—What do you think of his talk on the Information Technology?
—Oh，very good，It’s worth________．
| A．listening to |
| B．to listen to |
| C．listening |
| D．hearing |
---Why do you like cats? --- __________ they’re interesting.
| A．So | B．But | C．Because | D．And |
---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 |