1—I wonder＿＿＿ like to be an astronaut(宇航员).

题目：

1—I wonder＿＿＿ like to be an astronaut(宇航员).
—I don’t know, but I imagine it’s exciting.

A、what is it

B、what it is

C、whether isit

D、whetherit is.

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