问题描述：
英语翻译
1.The project requires more labour than_C_ because it is extremely difficult.
A.have been put in B.to be put in C.has been put in D.being put in
2.The committee _C_ among themselves for four hours.
A.has been arguing B.has been argued C.have been arguing D.have been argued
3.What _C_ used as chief building materials today__ steel and concrete.
A.have been,are B.is,are C.are,are D.are,is
4.In cold climates,the woods-frame dwelling,properly built and insulated,_C_ warmest type of home.
A.and the B.the C.is the D where it is
1.The project requires more labour than_C_ because it is extremely difficult.
A.have been put in B.to be put in C.has been put in D.being put in
2.The committee _C_ among themselves for four hours.
A.has been arguing B.has been argued C.have been arguing D.have been argued
3.What _C_ used as chief building materials today__ steel and concrete.
A.have been,are B.is,are C.are,are D.are,is
4.In cold climates,the woods-frame dwelling,properly built and insulated,_C_ warmest type of home.
A.and the B.the C.is the D where it is
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