My English-Chinese dictionary has disappeared.Who ________ have taken it?
I’m not satisfied with my study, so recently I ______ a talk with my teacher.
The man put out the cigarette when _______ that smoking was not allowed on the train.
Cherry was afraid she wouldn’t fit in at her new school, ______ she made friends quickly.
With the rise of modern communication tools, handwritten letters ______ by emails.
---Have you seen Jane this week?---No, but I ________ her call on my way to work this morning.