【1】 We have two _______ in our town and a new chemical _______is to open soon.
A.ironworks; works B.ironworks ; work C.ironwork; work D.iron work ; works
【2】 Education is not an end,but_____to an end.
A.means B.a mean C.a means D some mean
【3】The football match wa held yesterday in beijing,Four____police_____sent there to keep order
A.dozen;were B.dozens;were C dozen of ; was D.dozen of ;are
请问这类型的词组有哪些?
【4】——Have you ever visited the Leaning Tower in Pisa?
——Oh,_________
A.dozens of times B.a dozen of times
为什么选了A而不选B呢?