. Please excuse me _______ your letter by mistake.
There were dirty marks on her trousers__________she had wiped her hands.
The English play__________my students acted at the New Year’s party was a great success.
The film brought the hours back to me _________ I was taken good care of in that faraway village.
After Yang Liwei succeeded in circling the earth, ______our astronauts desire do is walk in space.
We cannot figure out____________quite a number of insects, birds, and animals are dying out.