We had to the engine piece by piece for transport.
A. take up
B. take out
C. take off
D. take apart
网友回答
A. take up
B. take out
C. take off
(答案→)D. take apart
解析：考查词组辨析：A. take up从事，拿起，B. take out拿出，C. take off起飞，流行，脱下，D. take apart拆开，句意是;我们不得不把发动机的零件拆开来运输。选D。