To finish the task on time, I think we should and cooperate.
A. join together
B. connect
C. join hand
D. join forces
网友回答
A. join together
B. connect
C. join hand
(答案→)D. join forces
解析：句意：为了按时完成这项任务,我认为我们应该联合力量合作。join forces联合力量，A. join together将…拼[连]在一起，B. connect连接，C.项应该是 join hands，选D。