A./, the | B.a ,the | C.the, / | D.a, a |
A./, a | B.a, the | C.the, a | D.a, a |
A.am | B.should be | C.be | D.was |
A.a ; / | B.a ; the | C.the; / | D.the; a |
A.That;a | B.which; a | C.what; a | D.which ;不填 |
A.the;the | B.不填;不填 | C.the;不填 | D.不填;the |
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