——Mike, have you heard that Mr. Black knocked down a girl and hurt her badly yesterday morning. ——Yeah. He_____too fast to stop his car while the girl was crossing the street.
I found the island a wonderful place for our experiments _______ the hot weather.
He usually goes to work by bike _______ it rains.
She knew nothing about his journey _______ he was likely to be away for three months.
“How did the robber get in?” “______ an open window on the first floor.”
_______ reading the letter, what has he done?