He said regrettably that he should have treated the experiment as (careful) ________ as he could.
He said regrettably that he should have treated the experiment as (careful) ________ as he could.
(Unfortunately) for them, our energy systems are a bit like an aircraft carrier. A: regrettably B: oddly C: sadly
(Unfortunately) for them, our energy systems are a bit like an aircraft carrier. A: regrettably B: oddly C: sadly
______ Mr. Ro is certain to leave the company at the end of next month for another position. A: Regrettably B: Regretting C: Regret D: Regrettable
______ Mr. Ro is certain to leave the company at the end of next month for another position. A: Regrettably B: Regretting C: Regret D: Regrettable
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