－ You look _____．What's up, sir?－ I can't find my ticket, but it's time to check in．
A．sleepyB．hungry
C．tiredD．worried
—How was your climbing Mount Huang?
---I didn’t believe I could do it __________I got to the top.
A．untilB．while
C．afterD．because
--- What is your teacher strict you in class? --- Our habits.
A．with; /B．in; with
C．with; inD．with; at
Do you know ______ Zunyi or not tomorrow?
A．whether are they leaving for
B．whether they are leaving for
C．if they are leaving for
D．if are they leaving for
Work harder, _______ you will get more grades in the coming exam.
A．andB．soC．orD．but
You can _______ stay at home ________ go out to play．It doesn’t matter.
A．either, orB．neither, nor
C．both, andD．not only, but also
