________ I admit that all these problems are difficult, I don’t agree that they can’t be solved.
In the past ten years, the ________mountain climber _________ a lot from his own adventurous _______
We hurried to the station, _________ the train was gone.
------They are said to be quarrelling about our new language lab. ------ I don’t care. It has __________ to do with me.
The lock in my bag _______me of not locking my door .
If man can’t live _______ harmony _______ nature, the balance will be destroyed.