9.It is not difficult to ____________the speaker at the graduation ceremony.

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9.It is not difficult to ____________the speaker at the graduation ceremony.
9.It is not difficult to ____________the speaker at the graduation ceremony.

9.It is not difficult to ____________the speaker at the graduation ceremony.
没有选项 只能填 recognize了.
recognize,认出,听出.

It is not difficult to _________for___the speaker at the graduation ceremony.

怎么没选项啊