________ many times, he finally understood it. 
| A．Told | B．Telling | C．Having told | D．Having been told |
—Must I show you how to play the game?
—Oh,thank you.I______how to do it.
| A．had wondered | B．would wonder |
| C．was wondering | D．did wonder |
In a way I can see what you mean,even though I don’t______ your point of view.
| A．agree | B．permit | C．recognize | D．share |
The managing director was to______the accident,although it was not his fault.
| A．be blamed for | B．be blamed on |
| C．blame for | D．blame on |
—You haven’t said a word about my new coat,Brenda.Don’t you like it?
—I’m sorry I______anything about it sooner.I certainly think it’s pretty on you.
| A．wasn’t saying | B．don’t say |
| C．won’t say | D．didn’t say |
—What about the books?
—Books of this kind______ well.
| A．sell | B．sells |
| C．are sold | D．is sold |