Question

【题目】I_______this mobile phone online. It is not worth buying.

A. checkB. am checkingC. have checkedD. will check

Answer 1

【答案】C

【解析】

句意：我在网上查过这部手机。它不值得买。考查动词时态辨析。check查看/核实；根据It is not worth buying.，可知check是已经完成的动作，需用现在完成时，故选C。