To say is one thing, but to do is quite _________. —Yes, it is true. Thanks!

Scientists are trying their best to _______ways to treat the terrible disease called H7N9.

The money he has contributed in the past years to ______ the disabled is now considered to be of great value.

According to the rule, children should ______ a nearby school to receive education in Nanjing.

Do you know who broke my glasses,Tina —Yes. John ________.