spend about seven years () ready for the ProjectA.to get B.getting C.get D.getting to 答案上是选B为什么不是A?

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spend about seven years () ready for the ProjectA.to get B.getting C.get D.getting to 答案上是选B为什么不是A?

spend about seven years () ready for the ProjectA.to get B.getting C.get D.getting to 答案上是选B为什么不是A?
spend about seven years () ready for the Project
A.to get B.getting C.get D.getting to 答案上是选B为什么不是A?

spend about seven years () ready for the ProjectA.to get B.getting C.get D.getting to 答案上是选B为什么不是A?
spend +time+doing sth
这是spend的一个用法,记住就好了

B
spend ....on sth
spend in doing sth
in 可以省略

spend some time (in) doing sth
in可以省略,花费时间做某事

spend in doing,in可以省略。。没有to do 用法