___ he was ill, I was expected to take his place greatly surprised me
for I didn't have much working experience.
| A．If | B．That if | C．That | D．If that |
By nine o'clock，all the Olympic torch bearers had reached the top of Mount Qomolangma，________appeared a rare rainbow soon.
| A．of which |
| B．on which |
| C．from which |
| D．above which |
It’s quite warm now.Leaving the heating on all the time ________ electricity.
| A．uses |
| B．wastes |
| C．costs |
| D．spends |
All her energies are ________ upon her children and she seems to have little time for anything else.
| A．absorbed |
| B．devoted |
| C．directed |
| D．focused |
－Brad was Jane’s brother!
—________ he reminded me so much of Jane!
| A．No doubt |
| B．Above all |
| C．No wonder |
| D．Of course |
In recent years________global warming is becoming ________ concern for people all over the world.
| A．the；the |
| B．/；a |
| C．/；/ |
| D．the；/ |