I don't think difficult for a Chinese student to master a foreign language within five years
3. --- Are we late? --- I'm _____ so.
111. I was not sure whether I was ______enough to lift the heavy table.
109. ---What was the food like? ---___________________.
108. If you give way, the kids will think you are ____, and they’ll be more naughty.
110. You are my acquaintance? It’s _____ that I never met you _______.