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Thelargehousesarebeingpainted,butA.ofgreatexpenseB.atagreatexpenseC.inalotofexpenseD.byhighexpense为什么？
题目详情
The large houses are being painted,but___
A.of great expense
B.at a great expense
C.in a lot of expense
D.by high expense
为什么？
A.of great expense
B.at a great expense
C.in a lot of expense
D.by high expense
为什么？
▼优质解答
答案和解析
B at a ...expense 固定搭配～记住就ok～
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