日本語をクリックすると英文が表示されます。まずは自分で英語にしてから答え合わせを。
It's a shame the meeting was canceled.
It's a shame I lost an important file.
I'm worried the meeting was canceled.
I'm worried we missed the deadline.
I'm worried I lost an important file.
I can't believe we missed the deadline.
I can't believe I lost an important file.
I think the file you sent was really helpful.
I think the approach he proposed is more efficient.
I think they won't make the deadline they promised.
I think the first estimate he gave was too high.
I think the materials I requested still haven't arrived.