That children ______meet with setbacks is a matter of necessity as they_____, so parents don’t worry about that.
The country with only a population of about 10, 000 _______ nearly 40 small islands..
-- In the countryside you can enjoy fresh air, blue sky and quiet surroundings.--- _______ more and more retired people are escaping from the crowded city.
— Remember the first time we met, Jim? — Of course I do. You _______ in the library.
I always prefer _______ a bike rather than _______ to work.
When you read the book, you’d better make a mark _____ you have any questions.