Break ___ (机器)损坏;破坏
He has a good __________(掌握,精通)of English.
Oshopping is cheap and convenient.
The police were called in, but they could not __________(逮捕)any-one.
Senergy is a new kind of source of energy.
They searched the __________(罪犯)to see what he has in his pockets.