It worried her a bit ____ her hair was turning grey.

In the north people sometimes tie straw ropes (草绳) round the trees in winter to ______ them from the cold.

She was a shy girl and she never expected ________a great change in her life.

You and Kate often meet, don’t you? — We do meet________,but not regularly [ ]

Never shall I forget the mountain village ____ I spent my summer holiday last year. [ ]