The war made ______ impossible for the scientist to go on with his research.
That’s ________football.I like playing ________football very much.
More than _____children took part in activities last month.
What do you think of the speech of Li Yang’s Crazy English?—I think it’s ________, but my friend thinks it’s too ________.
They have T-shirts ______green and black______ $ 12 at the shop.[ ]