If you are in Australian cities, just read the book written by Dr Johnson.
| A．interested |
| B．anxious |
| C．upset |
| D．curious |
Be careful when you deal with this chemical, as it will explode when ______ to sunlight.
| A．exposed | B．to expose | C．exposing | D．being exposed |
Normally, a forest fire and the damage ______ causes can be very severe, especially when you consider the financial and physical losses.
| A．which | B．it | C．this | D．that |
---Sunday is a public holiday, _____children should get close to nature.
---But most of them have several lessons to attend.
| A．when | B．which | C．where | D．what |
If you had seen a doctor, you much better now.
| A．are | B．will be | C．would be | D．would have been |
---Do I need to ______ for the party?
---Don’t bother. It’s only an informal party. Come as you are.
| A．turn up | B．dress up | C．give up | D．keep up |