In our English class，we are often d ivided into eight groups to practice conversations．
（为了提供） passengers with better service，about 300trains in China started free Wi﹣Fi service this year．
Why didn't you finish the project on time？
I'm sorry．Searching the Internet for some information （占用）the whole afternoon．
Lisa，pay attention to the instructions，please! This sweater （应该被洗）by hand in cold water．
﹣I know Jack has already collected （成千上万的邮票）．
﹣Yes，he's crazy about it．
（让我惊讶的是），that robot can drive a car．
I've never seen such a wonderful robot，either．