Who______the computer?
Sorry, I've no idea. But it has changed the world greatly.( )
A.inventedB.discoveredC.madeD.played
Jerry will succeed in working out the problem ____ he gives up.( )
A.IfB.becauseC.soD.unless
We will have a sports meeting in October, but ______knows the date for sure.( )
A.everybodyB.nobodyC.anybodyD.somebody
Nowadays some parents spend more time on mobile phones so that they____ care for their kids.( )
A.oftenB.seldomC.usuallyD.sometimes
Tina is very____.Her face often turns red while answering questions in class.( )
A.shyB.activeC.smartD.outgoing
Would you like something to drink, Mum?
Yes, I'd like a cup of coffee ________ nothing in it.( )
A.withB.withoutC.forD.to