Ⅱ. 單項(xiàng)填空(共15小題;每小題1分, 滿分15分)
21. This little boy is the_____ all the trouble.
A. cause of B. reason of C. cause for D. reason for
【解析】選A。句意:這小孩是一切麻煩的根源。 cause指造成某事發(fā)生的原因,the cause of sth. ;reason是指邏輯上的原因,常用the reason for. . . 。
22. Never before______ such a difficult time, and nor_____ .
A. we have experienced; they have
B. have we experienced; have they
C. did we experience; they did
D. we had experienced; had they
【解析】選B。考查時(shí)態(tài)和倒裝。 Never和nor位于句首時(shí),引起句子倒裝,排除A項(xiàng);由never可知應(yīng)選現(xiàn)在時(shí)。故選B。
23. Before we moved into the new house, we bought many_____.
A. furnitures B. furniture
C. pieces of furniture D. pieces of furnitures
【解析】選C。句意:在搬進(jìn)新房子之前,我們買(mǎi)了許多家具。 furniture為不可數(shù)名詞。許多家具many pieces of furniture。