7．The new-designed car is on show now．I wonder ______．（　�。�
A．how much it costB．how much it costs
C．how much did it costD．how much does it cost

分析 --新設(shè)計的汽車現(xiàn)在正在展覽．我想知道它要花費多少錢．

解答 答案：B
此題考查賓語從句的語序和時態(tài)．
首先，根據(jù)賓語從句必須為陳述語序排除C、D選項；
再根據(jù)時態(tài)判斷．主句I wonder為一般現(xiàn)在時，從句可根據(jù)自身情況選擇，根據(jù)上文The new-designed car is on show now判斷，問句詢問目前的情況，且賓語從句主語為it，故應(yīng)用一般現(xiàn)在時的第三人稱單數(shù)形式．故選B．

點評 此題考查賓語從句必須用陳述語序及時態(tài)的選擇．考生需牢固掌握其用法并能夠根據(jù)句意來判斷從句所用時態(tài)．

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