--- Walking an hour every day is good for our health.--- Exactly. However, ________.
While ______ in Scotland, he made friends with the natives there.
I will never forget the classmates ______ I studied with.
You should not ______ your mistakes if you want to make greater progress.
We were ______ surprised at the news that we couldn’t say anything.
– I’ve got the first place in the English Speech Contest. – ______.