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：

B　　thought表“原以为，但事实上不这样”；thought后接从句，动作在thought之前发生，要用过去完成时。