Thank you for leading me to the school library. — . I know you are new here.

If she ______ really hard, she’ll get an A in English.

－You’redropped __________ “s” in the word “across”.－Oh, you areright, __________ letter “s” should be doubled like this “cross”.

On his way back home, he an interesting story on the bus.

For many online shops, the price of their products can be decreased _______ 30% in the holiday seasons