How are the team playing?—They’re playing well, but one of them________hurt.[ ]

Kathy ____ a lot of Spanish by playing with the native boys and girls.

nment-friendly Olympics requires Beijing toimprove its environment, turning itinto an ecology-friendly city

I can’t help you with he problem, for Iwith my homework.—Thank you all the same.

It is selfless ________ the doctor to devote all thetime he had ________ for the patients.