Loving your children doesn’t mean ______ them whatever they want.
I’ll have all of the readings ____ by the end of this term if my plan goes well.
—How did it come that you damaged your car so badly? —I ____into a tree on the roadside the other day.
Air pollution, together with littering, ____ many problems in our large industrial cities today.
His advice made me happy, but ____others angry.
____ the flight to Beijing will be delayed is ____ I’m especially worried about.