This piece of music is worth __________.
| A．to listen | B．to listen to | C．listening | D．listening to |
My family always have a party the evening of Christmas.
| A．on | B．in | C．at | D．for |
The new treatments ____by Norman Bethune helped a number of soldiers ．
| A．invent | B．invents |
| C．inventing | D．invented |
----Can you finish ___ these books before 10 o’clock?
----Yes, I can ．
| A．to read | B．read |
| C．reads | D．reading |
---Remember ____to my daughter’s dance show next Friday．
----Of course I will．I’ll never forget ____ her dance for the first time last year．
| A．to come ;to see | B．coming; to see |
| C．to come; seeing | D．coming; seeing |
I’m sleepy．I prefer _____at home to going out for a walk．
| A．sleeping | B．to sleep |
| C．slept | D．sleep |