2012年大学英语四级语法指导29

会计考友

1. As teachers we should concern ourselves with what is said， not what we think _C_.   
! Q6 V/ Q8 d$ c$ E' \　　A have to be said B must say C ought to be said D need to say  
2. Once environmental damage _A_， it takes many years for the system to recover.  
/ M5 I9 ^1 |6 m( a! t; }5 g% a　　A is done B is to do C does D has done  
3. Studies show that the things that contribute most to a sense of happiness cannot be bought， _B_ a good family life， friendship and work satisfaction.  
　　A as for B such as C in case of D in view of  
　　contribute to 对…做出贡献。  
4. He will agree to do what you require _D_ him.  
　　A for B from C to D of  
( L# Z5 k, F: ^　　require sth. of sb. 要求某人做某事。  
5. The mere fact _A_ most people believe nuclear war would be madness does not mean that it will not occur.  
0 u+ o! _* l# m) ?9 o" X1 {4 _　　A that B which C what D why  
　　fact后面要加同位语从句。