问题

I don’t know _______________.

A:how did jack think up the plan.
B:Jack how thought up the plan.
C:Jack how to think up the plan.
D:how Jack thought up the plan.;

正确答案是：

同类题型

Just have another try; why should you_______all theefforts you’ve made? [ ]

Could I speak to ____is in charge of International Sales ,please ?

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For some time now, world leaders _____ out the necessity for agreement on climate change, the world economy and African development

owed me a red silk dress _____ online,which cost her only 10 dollars