不定式题目,选择,4.The Emperor ordered the wonderful cloth__B___ for
不定式题目,选择,
4.The Emperor ordered the wonderful cloth
__B___ for him without delay.
A.to have woven B.to be woven
C.to be weaving D.to weave
5.I found the German language hard __D__.
A.learned B.learning
C.to be learned D.to learn
6.—The light in the office is still on.
--- Oh,I forgot ___C___.
A.turning it off B.turn it off
C.to turn it off D.having turned it off
帮我解释下为什么选那答案,比如发生在之前之后和主动被动