Question

-- Do you know ________ her mobile phone? -- No, I think it cost her around 4000 yuan.

A．when your sister paid for	B．how much your sister will pay for
C．how much your sister paid for	D．when did your sister buy

Answer 1

C

試題分析：根據(jù)回答，不知道，我認為大約花費了他4000元。賓語從句的結構：主語+謂語+連接詞+從句。從句在句中作賓語。從句要用陳述句的語序。如果主句是一般現(xiàn)在時，從句根據(jù)需要選擇時態(tài)，如果主句是過去時態(tài)，從句要用相應的過去時態(tài)。但是從句是客觀真理，一般用一般現(xiàn)在時態(tài)。根據(jù)句意，可知用過去時態(tài)，問價錢，故選C。