— Long time no see!— Yes, we haven’t seen each other _____ May 4, 2009.A. since B. in C. on
______I have one healthy habit, ______I’m not very healthy.
Mary couldn’t go to the cinema with us because she had to _____ her little brother.
Please drink some milk. It’s good ______your health.
Katrina watches TV once ______ week.
______do you go swimming ? Sometimes.