When did Sam ___the train station?A.get B.get to C.arrive in D.get on

When did Sam ___the train station?A.get B.get to C.arrive in D.get on Sam laughed ___the others did,___he didn't understand the story第一个空为什么不能填 like Sam asked me,Did you of ten go swimming when you were young改为间接引语 选择一道When ___we ___the problem Probably next weekA did discussB have discussed C do discussD will discuss When ___the shopping mall___ (build) 英语：Sam:what did Jack look so depressed ,JohnSam:what did Jack look like when he lost wallet?John:He looked really worried.前面一句能否改为：how did Jack look when . what did sam do on his holiday? what did Ben want Sam to doWW -when did it begin to snow?-it started ___the night.A.during B.by C.from D.at选择的具体原因呢? When did Yao Ming ___the Houston Rockets in the NBA?__要填 A join B join in C take part in个人认为 B C 都可以 Sam asked me,Did you often ride a bike from place to place when you were at school?改为间接引语用过去完成时改写可以吗? Sam is good at playing the piano.改为同义句 sam___ ___the piano ___ they ___their daughter,for she did quite well ___the exam Did she ___the first prize in the piano competition? sam sam sam sam