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 |
The situation at Omaha Beach was so bad _______ the soldiers succeeded in landing on the beach with a lot of people losing their lives.
| A．that | B．enough | C．once | D．when |
The weather turned out to be fine yesterday. I _______ have taken the trouble to carry my umbrella with me.
| A．should | B．could | C．needn’t | D．mustn’t |
When was it you met him in the library?
| A．as | B．that | C．while | D．if. |
—Where are the children? The dinner’s going to be completely ruined.
—I wish they ________ always late.
| A．weren’t | B．hadn’t been |
| C．wouldn’t be | D．wouldn’t have been |
In order to be a good teacher, you have to ______ your imaginations and life experience.
| A．draw up | B．draw in | C．draw upon | D．draw for |