選 A
虛擬語(yǔ)氣,
）、對(duì)現(xiàn)在情況的虛擬（與現(xiàn)在的事實(shí)相反）：
從句用過(guò)去式或過(guò)去進(jìn)行式(時(shí)間上是同時(shí)的).其句子結(jié)構(gòu)為：賓語(yǔ)從句的謂語(yǔ)be和were(was),實(shí)義動(dòng)詞用過(guò)去式.例：
1.I wish (that可省略,下同)I knew the answer to the question.(wish,動(dòng)詞過(guò)去式knew)我希望知道這個(gè)答案.(事實(shí)上是不知道)
2.I wish it were spring in my hometown all the year around.(wish,were)但愿我的家鄉(xiāng)四季如春.(事實(shí)上不可能)
3.I wish I were a bird.(wish,were)但愿我是只小鳥(niǎo).(事實(shí)上不可能)