I don’t think Mary and Sue _____ before, ______?
A.have met; haven’t they | B.have met; have they |
C.have seen; do I | D.have seen; don’t they |
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I don’t think Mary and Sue _____ before, ______?
A.have met; haven’t they | B.have met; have they |
C.have seen; do I | D.have seen; don’t they |