—What is your mother going to do this Saturday?—I'm not sure. She ______ go to see my grandmother.

题型：单选题题类：模拟题难易度：普通

—What is your mother going to do this Saturday?
—I'm not sure. She ______ go to see my grandmother.

A、can B、may C、must D、should

举一反三

-- No, you needn't.

— Sorry, I _______. I take care of my little sister.

B: Sure, but you ______ finish your homework first.

—Yes, we _________ take it seriously.

—I'm not sure. I go to the countryside to see my grandmother.

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