Can we put 'say its proponents' as this sentence makes?
D. A proposed new style of aircraft, say its proponents, could fly between most points on Earth in under two hours because of its skimming along the top of the atmosphere.
E: According to its proponents, skimming along the top of the atmosphere makes it possible that a proposed new style of aircraft could fly between most points on Earth in under two hours.
D A proposed new style of aircraft, say its proponents, could fly between most points on Earth in under two hours because of its skimming along the top of the atmosphere
这里say和could时态不一致。say在中间不能说say X,只能说X say.句末才可以用say X.而且后面的because of 表原因,这里没有表原因,用by表方式。请指正。
E: According to its proponents, skimming along the top of the atmosphere makes it possible that a proposed new style of aircraft could fly between most points on Earth in under two hours.
主題重心移轉了..
according to its proponents should modify a new style of aircraft....