We have to hurry, __________，we will miss the last train.
| A．eventually |
| B．otherwise |
| C．however |
| D．therefore |
The Parkers bought a new house but ____ will need a lot of work before they can move in.
| A．they | B．it | C．one | D．which |
-Do you like ___ here?
-Oh，yes. The air，the weather，the way of life. Everything is so nice.
| A．this | B．these | C．that | D．it |
I like ____ in the autumn when the weather is clear and bright.
| A．this | B．that | C．it | D．one |
It was at four o'clock in the afternoon ____ he and his grandpa reached the museum in Guanghan.
| A．while | B．that | C．when | D．as |
I consider____ my duty to help you．
| A．it | B．this | C．that | D．its |