Question

______ the project in time, the staff have been working at weekends since last summer. A．Com..

______ the project in time, the staff have been working at weekends since last summer. A．Completing B．Having completed C．To have completed D．To complete

Answer 1

D

考查非谓语动词。句意：为了及时完成这些工程，自从去年暑假以来全体员工一直在周末工作。不定式表示具体的将要进行的动作，其逻辑主语为句子主语，结合语境可知选D。