The Food Science book was very short. It didn't have ...................... chapters.

Anna's family is very worried about her ............... she hasn't called them since she left to study abroad.

What are you doing… ....................... home?

If I ................... this course, I will not be able to take the math course as well.

Which one of the underlined words or phrases is INCORRECT? My sister loves shopping. She doesn't buy many, but she l…

Jane ...... physics since she was 15 years old. She is really knowledgeable.