she ()with her back against the teacher's desk,括号里应填stand的什么时态?standwith是和.站在一起的意思的意思吧,back against是什么意思?求讲解.how much do you think that vase()?应该填cost的什么形式?应该填被动语态吗?求讲解.
问题描述：
she ()with her back against the teacher's desk,括号里应填stand的什么时态?stand
with是和.站在一起的意思的意思吧,back against是什么意思?求讲解.how much do you think that vase()?应该填cost的什么形式?应该填被动语态吗?求讲解.
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