1. He will agree to do what you require _D_ him. ! U) q9 A- l/ i. l7 o+ | A for B from C to D of + u" X K9 y7 V4 q' x
require sth. of sb. 要求某人做某事。 / n3 V' q: e7 S4 {# e5 P
2. The mere fact _A_ most people believe nuclear war would be madness does not mean that it will not occur. ( t/ b/ q* I+ {' S0 ~
A that B which C what D why 5 M( x# U& u2 B% P. E# w
fact后面要加同位语从句。中华考试网(www.Examw。com) % L, _8 [0 Z: F$ J7 t# [3. As teachers we should concern ourselves with what is said, not what we think _C_. 1 c# ~: Q1 b$ v
A have to be said B must say C ought to be said D need to say 5 c0 F+ b( a6 i! O4. Once environmental damage _A_, it takes many years for the system to recover. * N& s5 R k; d" r& G$ C
A is done B is to do C does D has done 3 i5 B# l7 R/ u0 d& q# W5. 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. 6 c* O2 b/ |" q+ |& j2 ~1 A
A as for B such as C in case of D in view of % i) U2 F$ c/ H! n' q: ?+ s* H) _ contribute to 对…做出贡献。