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..Thatevening,hesetaboutthereportthenextmorning.A.write...tohandinB.towrite...handinginC.written...tohandinD.writing...tobehandedin为什么不选B呢?Doyouthinkitdifficultadolphin?A.totrain...jum

题目详情
..
That evening,he set about________the report_______the next morning.
A.write...to hand in B.to write...handing in C.written...to hand in D.writing...to be handed in
为什么不选B呢?
Do you think it difficult________a dolphin_______?
A.to train...jumping B.training...for jumping C.to train...jump D.to train...to jump
为什么不选A呢?
▼优质解答
答案和解析
set about doing sth
train sb to do sth