Some people find the film Avatar difficult______.
| A．to understand | B．to be understood | C．understood | D．being understood |
35．----- Sorry to keep you waiting for long．I’ll make short work of this．
----- _____．I’m not in a hurry．
| A．Take it easy | B．Take your time | C．Not at all | D．Do as you like |
34．Mr．Barret doesn’t think that all bad language should be allowed．In his opinion, there are _____ that should be kept up．
| A．degrees | B．levels | C．limits | D．Standards |
33．---- Hi, Vera, have you checked the account yet?
---- Certainly, I ______ it five times even though you told me to do it twice．
| A．checked | B．will have checked |
| C．have been checking | D．had checked |
32．_____ you have a healthy diet, you can reduce its benefits by bad eating habits．
| A．Just as | B．In case | C．Even if | D．Now that |
31．----- Oh, my goodness! My laptop must have got stolen．
----- But where _____ a thief have entered the house with all the doors and windows still locked?
| A．should | B．could | C．dare | D．did |