【单选题】He said he would accompany me all day long, but actually it was only a(n)____ promise.
【简答题】实验3作业,内容包括: 革兰氏染色,简单染色,荚膜染色,放线菌个体形态(插片法), 请上传doc或pdf版本附件。
【单选题】Actually it was the passenger ________ the driver that caused the serious accident on the road.
【单选题】________, the essay looked quite good, but actually it was full of mistakes.
【单选题】It looked like a regular dollar bill , but actually it was a fake. This means the dollar bill was .