问题

Before you ______ the design of this product, you need to study the market carefully. [ ]

A: memorise
B:confirm
C: order
D: express

正确答案是：

同类题型

Excuseme.Couldyoutellme______________gettotheairport —Certainly.Gostraightalonghere.

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_____ no doubt _____ the Amber Room is one of the wonders of the world

__ from endless homework on weekends, thestudents now find their own activities, such as taking a ride together to watchthe sunrise

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