She won’t lose weight ___ she keeps a diet and takes exercise every day.
| A．if | B．when | C．unless | D．as if |
Don't worrry. The hard work that you do now ____ later in life.
| A．will be repaid | B．was being repaid | C．has been repaid | D．was repaid |
Close the door of fear behind you, and you ____ the door of faith open before you.
| A．saw | B．have seen | C．will see | D．are seeing |
The moment ____ soon, he thought to himself, waiting nervously.
| A．came | B．has come | C．was coming | D．is coming |
-- I remember you were a talented pianist at college. Can you play the piano for me?
-- Sorry, I ____ the piano for years.
| A．don't play | B．wasn't playing | C．haven't played | D．hadn't played |
（2012江西卷）--Look! Somebody the sofa.
--Well, it wasn’t me. I didn’t do it.
| A．is cleaning | B．was cleaning | C．has cleaned | D．had cleaned |