作业帮l really don,t know _____ and _____.A.What to do,How to do B.what to do it ,how to do itC.what to do it ,How to do D.What wo do,how to do it
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l really don,t know _____ and _____.A.What to do,How to do B.what to do it ,how to do itC.what to do it ,How to do D.What wo do,how to do it
l really don,t know _____ and _____.A.What to do,How to do B.what to do it ,how to do it
C.what to do it ,How to do D.What wo do,how to do it
l really don,t know _____ and _____.A.What to do,How to do B.what to do it ,how to do itC.what to do it ,How to do D.What wo do,how to do it
D 这可以理解为一种固定搭配