The school ______ my sister studies at is far from here.

The underlined part of the word “message”sounds ________.

Tomorrow is Father’s Day. What should I get for my father—I think doing ________ for him is the best gift.

The secretary worked late into the night, ______ a long speech for the president.

It is smoggy (雾的) these days. That’s terrible!—Yes, I hope to plant trees. ______ trees, ______air pollution.