I haven't finished my composition. I ________ for two hours and a half.
| A．have written it | B．have been writing it |
| C．wrote it | D．am writing it |
（年北京市西城区高三5月二模试题）28. It was unusual that such close neighbors ______ not know one another.
| A．could | B．would | C．must | D．should |
—How’s your tour around the North Lake? Is it beautiful?
—Itbe, but it is now heavily polluted.
| A．will | B．would | C．should | D．must |
（年安徽省合肥市高三第三次教学质量检测）29. Whenever we went to my uncle's house, we ______ play in the garden.
| A．should | B．would | C．could | D．might |
【2013届浙江杭州重点高中原创模拟】8. No one can ignore the fact that his wife is independent _______ her husband earns all or most of the family income.
| A．now that | B．in case | C．even if | D．only if |
4．Your dreams can be achieved ____________ you have a goal and go for it with perseverance．
| A．so that | B．only if | C．in case | D．the moment |