题目

Li Ping isn't here. Let's go________find her. A．/            B．but       C．or          D．and 答案：D 在口语中and可代替to用于少数几个动词如go, come之后，表示目的。34、 Is __________ necessary to complete the design before National Day?    A. this      B. that      C. it      D. he