If you put food in a fridge, it ________ longer. (LAST)
lasts
If you cool water to zero degrees, it ___________ ice. (FORM)
forms
When a bycicle _______ up, it _______ more difficult to stop. (SPEED - BE )
speeds / is
If you turn the key, the door ______________. (OPEN)
opens
Green plants can't survive if you ___________ them. (WATER - neg.)
don`t water
When Mary has time, she always _________ shopping. (GO)
goes
If John ________ tired, he always ________ TV to relax. (FEEL - WATCH)
feels / watches
When _________ good programs on TV, I usually stay home. (THERE BE)
there are
If someone ________ the building, the alarm _______ off. (ENTER - GO)
enters / goes
When it rains a lot, the city usually _______ flooded. (GET)
gets