Question

The pen I ________ I ________ is on my desk right under my nose．

[　　]

A．

think; lost

B．

thought; had lost

C．

think; had lost

D．

thought; have lost

Answer 1

答案：B
解析：

think是说话之前的情况，所以应用过去时；lose发生在thought之前，所以应用过去完成时。