_________ from other continents for millions of years, Australia has many plants and animals not found in any other country in the world.
| A．Being separated | B．Having separated |
| C．Having been separated | D．To be separated |
Seeing the happy ______ of boys playing on the playground, I can’t help thinking of my childhood.
| A．sign | B．act | C．scene | D．view |
Chinese football fans often _______ late to watch live matches of the World Cup.
| A．stay up | B．mix up | C．turn up | D．put up |
---Do you know what makes her so _______?
---Too many useless text messages she has received.
| A．normal | B．annoyed | C．enjoyable | D．selfish |
Every time _______ I come across difficulties, I will turn to my parents for help.
| A．/ | B．when | C．that | D．which |
My boss is always finding fault _______ my work, so I have to quit my job.
| A．on | B．of | C．for | D．with |