Even though computer screens don’t radiation, the stress from staring over long periods can cause harm to your vision.A.give offB.give inC.give upD.give away
参考答案:
The idea “happiness, ” ________, will not sit still for easy..
The idea “happiness, ” ________, will not sit still for easy definition.A.to be rigid B.to be sure C.to be perfect D.to be fair
Devoted parents are never mean to their children, and they a..
Devoted parents are never mean to their children, and they are always willing to devote all they have ______ their kids.A.to helpB.to helpingC.for helpingD.for help