While()the article, I was wondeiing whether e-books would replace print books soon.
A: reading
B: read
C: was reading
D: to read
A: reading
B: read
C: was reading
D: to read
举一反三
- While _________the article, I was wondering whether e-books would replace pring books soon. A: reading B: read C: was reading D: to read
- While _______ the article， I was wondering whether e-books would replace print books soon.
- If only I _____ the books on the reading list before I attended the lecture. A: have been reading B: would have read C: have read D: had read
- If I_________the books on the reading list before, I would have attended the lecture. ( ) A: have read B: have been reading C: would have read D: had read
- We are _________ books now. A: reading B: am reading C: read D: to read