There is no calories in water. So I can drink it ______ getting fat.[ ]

I have to study _____a test.[ ]

The girl was born _______May,1991 and came to Tianjin _______October 10, 2003.[ ]

Mr. Smith, together with his two sons,_____Shanghai for about five months.

Jack, is this your jacket?–No, it _______ be my jacket. My jacket is black but this one is blue.