_______ is necessary for us _______ our own dreams.
They often had fun ______ ball games before. But now they have no time ______ after-school activities.
—Don’t play with fire.—_________.
Daniel had one month_____last summer and he took a course _____DIY.
We can put the prefix “un-” before the following words to give them the opposite meaning except(除了)_____ .
— I’d like to buy Guo Jingming’s Tiny Times. — You had better_____his books. The stories he tells are far from real life.