16. Only after I read the text over again _____ its main idea.
A. that I knew B. did I knew C. 1 could know D. I did know
17. —— You seem to have learned all the English words by heart.
_____ .
A. So l do B. So do l C. So I have D. So have I
18. —— I seldom watch TV， but listen to the radio a lot.
_____ .
A. So do I B. Neither do I C. I m the same D. So it is with me
19. So excited _____ that he couldn't say a word.
A. he seemed B. did he seem C. was he seeming D. he did look
20. Jimmy was so nervous not a single word _____ down in the dictation.
A. he wrote B. he was written C. did he write D. was he written
