---Is Sarah coming ?
--- No. She should have let us know earlier , but _______ she has been very busy recently.
A.to be sure | B.to be honest | C.to be fair | D.to be exact |
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---Is Sarah coming ?
--- No. She should have let us know earlier , but _______ she has been very busy recently.
A.to be sure | B.to be honest | C.to be fair | D.to be exact |