Mike was usually so careful, ______this time he made a small mistake.
It was a bit doubtful at first, but it ____ to be a really good idea.
——Alice looks sad. Did you tell her about the accident? ——Yes, but I ______ her just before her final examinations.
With a lot of difficult problems ____, the manager felt a heavy burden taken off his mind.
I suggest you choose _____ you think is kind and friendly.
_____ the town _____ we met each other for the first time many years ago?