---Mr. Green , do you think I can get an “A” in the final exam if I start working hard now?--Of course. ______.
We like talking _______ each other _______ interesting things after school.
Dick has ___________ friends and he often plays with them.
I want to ___________ hello to Grandma on the phone, but she can’t _________me very well.
Please ___________ at 6:00 tomorrow morning.
____________ can help us learn ___________ about the world .