—We want to finish the task ahead of time.—You have to if so.A. speed it upB. take it u

问题补充：

—We want to finish the task ahead of time.

—You have to , if so.

A. speed it up

B. take it up

C. pick it up

D. turn it up

答案：

(答案→)A. speed it up

B. take it up

C. pick it up

D. turn it up

解析：

试题分析:考查动词短语。A加速；B从事；C拾起；D把……调大。由语境推测得知要想提前完成任务，就要加快速度，所以A选项正确。句意：--我们想提前完成任务。--如果那样的话，你们得加快进度了。