It is hard to imagine what life __________ in 100 years.

Mary with her parents often ________to the zoo on Sundays. What about you?—I don’t often go there. But sometimes I go to see the animals on Saturdays.

There__________ a ruler and some pencils on the desk.

George W. Bush encourages the US soldiers to fight _______ their own country.[ ]

How’s your new babysitter? —- We ______ ask for a better one. All our kids love her so much.