.It is an established fact that factory workers work better, harder, and have _____ accidents when their machines are painted orange rather than black or gray.
.I hurried to the accident spot only to find two dogs happily enjoyed what was left ____the cake and meat.
一、介词类 ._____giving a general information to computers, the course also provides practical experience.
. “Here‘s what you asked for.” “______.”
. “Can you spare me a few minutes now?” “______, but I‘ll be free this afternoon.”
. “Would you like to turn that music down? I‘m writing a letter.” “_____.”