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单选题

Wood is often _________ paper.

A
usedtomaking
B
usedtomake
C
usedtobemade
D
usedmaking

题目答案

B

答案解析

暂无解析
举一反三
单选题

I don't know_________.

A
howcanIfinishmyhomeworkontime
B
howIcouldfinishmyhomeworkontime
C
Icanhowfinishmyhomeworkonthetime
D
howIcanfinishmyhomeworkontime

题目答案

D

答案解析

暂无解析