—Who______ it be that is knocking at the door? —It ______ be Father, but I’m not sure.
Never keep ________with dishonest persons.
We all hope to ________ time on the return journey by not stopping at night.
In the park, the number of visitors is tightly ____ to avoid damaging the environment or putting stress on the animals.
—I didn’t go to the Museum yesterday. —Yes, but I would rather youthere too.
This picture was taken a long time ago. I wonder if you can ___ my mother.