1.(2013·全國Ⅰ,29)The door ________ open, no matter how hard she pushed.
A.shouldn't B.couldn't
C.wouldn't D.mightn't
答案:C 本題考查情態(tài)動詞的用法。句意:不管她怎樣用力推,門就是打不開。would情態(tài)動詞(表示盡管付出很大努力卻沒有發(fā)生)就(不),偏(不),如:He kicked, pushed, and hurled his shoulder at the door. It wouldn't open.他沖著門又踢又推,還用肩膀撞,但門就是打不開。故C項正確。
2.(2013·江蘇,30)I should not have laughed if I ________ you were serious.
A.thought B.would think
C.had thought D.have thought
答案:C 考查虛擬語氣。句意:我本不應(yīng)該笑的,如果想到你是嚴肅的。