Finding in-formation in today's world is easy. The _____ is how you can tell if the in-formation you get is useful or not.
| A．ability |
| B．competition |
| C．challenge |
| D．knowledge |
The plane ________ when I arrived at the airport．
| A．have gone | B．went |
| C．is going | D．had gone |
_____ is a possibility _____ Tom will get first place in the long jump.
| A．There; that | B．It; that |
| C．There; whether | D．It; whether |
He is ________ experienced teacher in our school.
| A．a | B．an | C．the | D．/ |
My best friend who _______ a rich man two years ago has a baby now.
| A．married with | B．was married |
| C．married | D．married to |
It snowed heavily; ______, lots of flights have been put off until further notice.
| A．or else | B．as a result |
| C．as well | D．as a matter of fact |