1.This rock has to be _______ in order to build a road.
2.He did not go to the party last night, which _____ her feelings deeply.
3.When they returned to the river, they found that the boat had _______ away.
4.If you need further information, please _______ our office.
5.During the war, many soldiers were killed not by _______, but by disease.
答案：1.A 2.C 3.D 4.C 5.A