It is believed that _____ European scientist invented _______.
| A．an; a television | B．a; a television |
| C．an; the television | D．a; the television |
As many as five courses are provided, and you are free to choose _____ suits you best.
| A．whoever | B．whichever | C．whenever | D．wherever |
On many trains and buses, there are some special seats ________ out for senior citizens.
| A．marking | B．marked | C．to mark | D．mark |
The number of foreigners that ________ to Huaihua ________still increasing.
| A．come; is | B．comes; is | C．come; are | D．comes; are |
After school we went to the reading-room to do some reading, only to be told that it .
| A．is decorated | B．was decorated | C．was being decorated | D．is being decorated |
I set up e-mail addresses for my mum and dad ________ I could e-mail them regularly.
| A．now that | B．even if | C．so that | D．As though |