Where () my umbrella?Somebody () it away by mistakes.A is ,must have taken B is ,must takeC was ,must takeD is ,takeswhy?

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Where () my umbrella?Somebody () it away by mistakes.A is ,must have taken B is ,must takeC was ,must takeD is ,takeswhy?

Where () my umbrella?Somebody () it away by mistakes.A is ,must have taken B is ,must takeC was ,must takeD is ,takeswhy?
Where () my umbrella?Somebody () it away by mistakes.A is ,must have taken B is ,must take
C was ,must take
D is ,takes
why?

Where () my umbrella?Somebody () it away by mistakes.A is ,must have taken B is ,must takeC was ,must takeD is ,takeswhy?
A

答案选A is ,must have taken

表示现在,我的伞在哪
猜测一定是,而且已经发生,
所以选a

百分之百选A。
第一个空is,问的是我的伞现在在哪里,所以不可能用was这个过去式
第二个空must have taken,表示一定是有人拿了。must表示肯定猜测,have taken表示已经拿了。所以用完成时。