The number 911 is a special number, ________, I think, that will be remembered by the Americans forever.
| A．what | B．it | C．which | D．one |
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 |
Your suggestion on how to improve English writing ability is too general. Could you make it more _______?
| A．special | B．particular | C．specific | D．positive |