All this was used to ______ what percentage of time people spent in an unpleasant state.
| A．accumulate | B．calculate |
| C．accelerate | D．circulate |
--Remember the first time we met?
---Sure. You _____________ the novel Gone With the Wind in the library.
| A．had borrowed | B．have borrowed | C．were borrowing | D．borrowed |
When I got back home I saw a message pinned to the door ______“Sorry to miss you; will call later.”
| A．reading | B．reads | C．to read | D．read |
This picture was taken a long time ago. I wonder if you can ________ my father.
| A．find out | B．look out | C．speak out | D．pick out |
My point is that you must do ____________ is best for you.
| A．whatever | B．however | C．no matter what | D．no matter how |
_____ to the party, Joan was greatly hurt.
| A．Having not been invited. | B．Having not invited |
| C．Not having been invited | D．Not having invited |