【題目】I hadn't seen him for 10 years but I __________ him at first sight.

A. realized

B. spotted

C. watched

D. observed

【答案】B

【解析】句意：雖然我已經(jīng)10年沒有見他了，但我第一眼就認(rèn)出了他。realize意識到，實(shí)現(xiàn)；spot發(fā)現(xiàn)，看出；watch注視，看；observe觀察到。故只有B項符合句意。

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