Water is very important for us and no one can live ______________ it.
—Will Mr Brown come to visit the company ?—We don’t know if he _______.If he ______,we’ll tell you.
—____ the sports meeting is likely to be put off.—Yes,it all depends on the weather.
—Did you meet the professor at the airport?—No,he ____ by the time I ____ there.
—You must be surprised and excited to see the film star here.—You’re right.________________.
—You’ve never seen such a wonderful film before,_______?—No,I haven’t.