The 3G cellphone must be of great use and convenience to wants to get the information through the Internet quickly.
| A．which | B．whomever | C．whichever | D．whoever |
I can’t remember when exactly the Robinsons left _____city ,I only remember it was ______ Monday. 。
| A．the , the | B．a ,the | C．a, a | D．the, a |
Some people ________ not have plans yet for New Year’s Eve, but others know exactly what they will be doing.
His conclusion, ______ on careful research, was acceptable.
| A．to base | B．to be based | C．basing | D．based |
It was __________________ back home from work.
| A．not until midnight did he go | B．until midnight that he didn’t go |
| C．not until midnight that he went | D．until midnight when he didn’t go |
There is no reason why you shouldn’t tell the headmaster _________ that you are resigning because he has arranged your post.
| A．in effect | B．in fact | C．in advance | D．in support |