When and by whom___the Great Wall___(build)?

When and by whom___the Great Wall___(build)? thay write ____,even when theres not much to say.(now and then)为什么不填by and by> We all write __,even when there isn't much to say.A.now and then B.by and by C.step and step D.more and more by and We all write( ),even when there's not much to say now and then by and by step by step more or less We all write ( ),even when there 's not much to say now and then by and by step by step more or less When we study by the right way and get knowledge on our own 有一处错误 Nowdays,more and more people go to work by light-rail.(划线部分Nowdays)when When I was fourteen Iwas hit by a car and I felt almost senseless 的翻译 Some jobs have ___ names when they are done by men and women. When it's6:10,the obtuse angle formed by minute hand and hour hand is( ) 英语翻译：especially when public colleges and universites face budget cuts by states. door when a wrinkledust repeat over the same thinggrass revived and sprangarmed by the sunshine Please detach and return with payment when paying by cheque请翻译 Our self-respect is strengthened when we feel accepted by others espite our faults and difficulties 25.We all write ,even when there's not much to say.A.now and then B.by and by C.step by step D.more or lessWe all write_____ ,even when there's not much to say. some jobs have different names when theny are done by men and women.Some jobs have different names when theny are done by men and women.这句话怎样理解? when you pass me by