The pen I I is on my desk right under my nose.A. think; lostB. thought; had lostC. think

问题补充：

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

答案：

A. think; lost

(答案→)B. thought; had lost

C. think; had lost

D. thought; have lost

解析：think发生在过去,用一般过去时；lose发生在think之前，用过去完成时。