.______ the project in time,the staff
问题描述:
.______ the project in time,the staff
______ the project in time,the staff were working at weekends.
A.Competing B.Having completed C.To have completed D.To complete
我弄不清楚C,D
were不是过去的动作么?
答
不定式做目的状语,和时态没有关系