evening after dinner, if not ______ from work, Iwill spend some time walking my dog

ildren are having a good time, ______with sand, others with toys．

The old couple’s son really_____with the other students in the new class, as they expected.

Not until the stadium of Bird’s nest was completed in the end _______ back to their normal position.

__________ try some fish It looks delicious.— It smells __________. I don’t want to eat it.