When they saw their teacher into the classroom, they stopped at once.
| A．walk; to talk | B．walking; to talk |
| C．to walk; talking | D．walking; talking |
----Why are you so tired these days?
----- Well, I have _____homework to do.
| A．too much | B．too many | C．much too | D．many too |
----How was your trip to Beijing?
----We really enjoyed ________.
| A．us | B．our | C．ours | D．ourselves |
____the end of the day, we were very tired.
| A．In | B．At | C．To | D．By |
Linda _____ many places of interest in China, and she still wants to go to more places.
| A．has been to | B．has been in | C．has gone to | D．has gone in |
---Do you know the moving story of Jack and Rose?
----Of course.Ｉ______ the film Titanic several times.
| A．see | B．saw | C．have seen | D．seen |