--I’m going to have a trip to Window of the World.
---_________.
| A．Goodbye. | B．Enjoy yourself. |
| C．I’m sorry to hear that. | D．Help yourself. |
—I’ve shown you all the interesting and important places of our school．
—Thank you for________so much time．
| A．taking |
| B．spending |
| C．costing |
| D．having |
________energy，turn off the hot water after you take a shower．
| A．Save |
| B．Saving |
| C．Saved |
| D．To save |
—Did they clean the house yesterday？
—________，They cleaned at five o’clock．
| A．No，they didn’t |
| B．Yes，they did |
| C．No，they don’t |
| D．Yes，they do |
—Do you know that there are many different________animals in the zoo？
—Yes，I do．And I also know that some of them are________scaring．
| A．kinds of，kind of |
| B．kinds of，kinds of |
| C．kind of，kinds of |
| D．kind of，kind of |
—Have a good vacation，Mr Green！
—________．
| A．Thank you very much |
| B．You’re welcome |
| C．Here you are |
| D．I don’t think so |