第34题:[单选题]It is said that the agreement __________ between the two companies last month will become effective from May 1st. A.to sign B.to be signed C.signed D.signing 参考答案:C 考查时态语态。signed…month短语做后置定语修饰agreement。sign和agreeinent之间为动宾关系,因此用过去分词。句意为“据说上个月两家公司签订的协议将会在5月1日生效”。故选C。