He _____ when the UFO arrived.
| A．was sleeping | B．were sleeping |
| C．has slept | D．is asleep |
-- Shirley, what were you doing at three o’clock yesterday?
-- I was sitting by the window, __________ to the music.
| A．listen | B．listening |
| C．listened | D．to listen |
-- My brother bought me an iPhone 5, but I don’t know __________. Can you help me?
-- Let’s read the instructions.
| A．what to use | B．how to use |
| C．what to use it | D．how to use it |
The doctor did what he could __________ the dying man.
| A．save | B．to save | C．saved | D．saving |
-- I think Twilight is a series of great movies.
-- I agree, and I also think Bella is __________ marry Edward.
| A．brave enough to | B．enough brave to |
| C．brave enough | D．enough brave |
Now the air in our hometown is ___________ than it was before. Something must be done.
| A．much better | B．more worse |
| C．more better | D．much worse |