I regret having left the work unfinished, I ____________ everything ahead carefully.A、

I believe you have ______ some important points in the report.A．left aloneB．left behindC．l

The film was worth seeing. I regretted ______ it.A．to be missingB．having missedC．to missD．

I don’t know where the key is, but I suppose I ____________it at home.A. could have left

I regret______ the work unfinished; I should have planned everything ahead carefully.A．hav

Man: I have heard there are a few seats left for the show tonight. Woman: Really？ I was un

For the past two years I have been working on students evaluation of classroom teaching.