（）the temperature might drop, coal was prepared for warming.

单项选择题I like playing computer games and chatting ______ my friends ______ the Internet.

单项选择题—Kitty. will you go to see the film Cold Mountains this evening —No, I won't. I ______ it already.

单项选择题Of the 9500 drivers ______ since the beginning of the year, 23% were found ______ in road knowledge.

单项选择题I can't ______ which pair of jeans to buy. They both look good on me.

单项选择题—Could you please tell me ______ —Go upstairs and turn left.