Simon, do you know who invented the kite?
Sure! It ____ by Mozi over 2,000 years ago.( )
A.is inventedB.invented
C.was inventedD.will be invented
To complete her online learning, Suzy needs a computer or a mobile phone to receive messages ______her teachers.( )
A.withB.duringC.fromD.through
If we don't protect nature, some wildlife ______die out in the future.( )
A.needB.mayC.can'tD.shouldn't
Our monitor Jenny is so ______that she always keeps things in good order.( )
A.practicalB.generousC.organizedD.modest
The ______of the meeting is to help teachers and parents achieve better communication.( )
A.positionB.progressC.periodD.purpose
Mars Base 1 Camp was built in Jinchang, Gansu, to let young people experience for____.( )
A.itB.themC.itselfD.themselves