When I came back yesterday evening, my brother _______ his homework.A. is doing B. has done C. was doing
My cousin is in _________ in Shanghai No.11 Middle School.
Look out! The knife is very sharp(锋利的). You ______cut your finger.
Jake is just ___________as Tom.
_______all the stars, the sun is________ to the earth.
There is _______“f” in the word “fond”.