You can only be sure of ____ you have at present; you cannot be sure of something ____ you might get in the future.
A.that, what | B.what, / | C.what, which | D./ , that |
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You can only be sure of ____ you have at present; you cannot be sure of something ____ you might get in the future.
A.that, what | B.what, / | C.what, which | D./ , that |