I used my time well. While I was waiting for my plane, I ..... some emails.
a) had been writing
c) was writing
d) have been writing
I think that C (Past continuous) is the correct option. What do you think ?
Hi, Dr Ahmed—No, the best option there is "wrote" (simple past): "While I was waiting for my plane, I wrote some e-mails." You wrote some e-mails during the time that (while) you were waiting for your plane.
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