-What's the green lifestyle like?-Save_______ energy, and produce _______ pollution.
. -------Tom, I’m watching a football match. What about you? -------____.
-------May I take my pet dog with me into the cinema? -------The rule says no. So you ______.
-----It’s hot. Would you mind my _____ the window? ------ _____.Do it as you like, please!
Why don’t you _____ your teacher for help when you can’t finish _____ it by yourself ?
.We have two rooms_____ ,but I can’t decide _______.