he document was created with Spire.PDF for .NET.\rE\rP`p?\rp\rThis medicine has I my headache.\rA. relieving\rB. relieve\rC. relieved\rD. been relieved\r \r??C\r18\r \r0@i. oo.\rE\rP`p?\rp\rHe 1\rto hear that he had passed the exam.\rA. relieved\rB. was relieved\rC. relieves\rD. was relieving\r \r??B\r19\r \r0@i. oo.\rE\rP`p?\rp\rSome college students have volunteered \rtake\rcare of the children.\rA. in\rB. at\rC, to\rD. with\r \r??C\r20\r \r0@1. 00.\rE\rP`p?\rp\rAre there 1 volunteers to help the old?\rA, a\rB. some\rC. any\rD. much\r \r??C