- What did the teacher say just now ? -Sorry .I didn’t catch it .I something else .A. thin

问题补充：

- What did the teacher say just now ?

-Sorry .I didn’t catch it .I something else .

A. think

B. will think

C. was thinking

D. had thought

答案：

A. think

B. will think

(答案→)C. was thinking

D. had thought

解析：此题重点考查过去进行时的基本结构和用法。