Two middle-aged passengers fell into the sea. ____, neither of them could swim.
A. In fact B. Luckily 
. Naturally D. Unfortunately
I am trying to work out the problem and I would appreciate_____ if you could turn the music _______.
| A．That; up | B．this; around | C．it; down | D．you; back |
She is not used to _______ like that.
| A．speak to | B．spoke to | C．speaking to | D．being spoken to |
______, I lost heart in English learning, but my teacher often said to me, “Keep on working hard; you’ll succeed _______.”
| A．At a time; in time | B．At a time; on time |
| C．At one time; in time | D．At one time; on time |
-- Are you sure that he will come here in time?
--- You may ______ he will come to help us though he is very busy.
| A．rely upon that | B．rely upon it that |
| C．rely upon what | D．rely upon it what |
This picture was taken a long time ago. I wonder if you can my mother.
| A．find out | B．pick out | C．look out | D．speak out |