题目

I listened but ____(hear)nothing. 答案：【答案】heard【解析】句意：我听了但是什么都没有听到。考查动词时态。but并列连词前后的时态应该保持一致，前方listened用了过去时，那么后文的动词也应该用过去时，故填heard。 It is _____ we do ---- you and I ____ changes the world.A．that; thatB．that; whatC．what; thatD．what; what