The scientist wrote down_____ series of things to do with______ nature, such as a blue sky.A a, / B. a, the C. /, / D. /, the
. . Though he graduated from a famous university, he was _______ failure as _______ teacher.
. . Loving your children doesn’t mean _______ them whatever they want.
. -Jenny, let’s go to the party tonight. -_______ I have a lot of homework to do.
. He worked day and night, and therefore he _______ buy the sports car.
. _______ something to eat, they began to look for something to drink.