Why does Jack think humans will have to look for another planet to live on? Because ______.

(单选题)I ______ in this school for 10 years. (单选题)Can I have ______ postcards? (单选题)They are reading about an English boy ______ the newspaper. (单选题)I plan to build an unusual house. It ______ out of old thing (单选题)You ______ take me to the station. My brother’s taking me. (单选题)— May I speak to Mrs. Black?— Sorry, mum can’t come to the p (单选题)I didn’t do very well in this exam. Unluckily, he did it ___ (单选题)The water ______ dark and dirty. It’s no longer safe to drin (单选题)Last night, the shop was closed ______ she didn’t buy any ch (单选题)三级课外阅读词汇量需要达到多少个______？