问题
more than 1300 hotels in Europe, Africa, Middle East region have committedto _________ in the event, with many more ________ to join the effort.
A:participating;expecting
B:participate; to expect
C:participating;expected
D:participate; to be expected
B:participate; to expect
C:participating;expected
D:participate; to be expected
正确答案是：
同类题型
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