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
