Without proper lessons, you could __________a lot of bad habits when playing the piano. [ ]

A: ________ photo would you like to hang on the wall, the one with John or the one on the beach B: I like the one on the beach better.

The most energetic and important festivals are the ones that ____ the end of winter and to the coming of spring. [ ]

_________the original failure of his experiment,he still decided to continue his research[ ]

ont of our school ______, where a lot of people play or take exercise at any time.