______ will the discussion last？
______ we reach an agreement．（ ）
A．How long； Not untilB．When； Not until
C．How long，UntilD．When，Until
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
Leap is_____film on the Chinese women's national volleyball team． ______film is directed by Peter Ho﹣sun Chan．（ ）
A．a；AB．a； TheC．the； TheD．the；A
Which underlined letter has the same pronunciation with the one in the word "cover"？（ ）
A．becomeB．softC．jokeD．carrot