Have you thought about the problem from every________？You can never be too careful!
| A．angle | B．range |
| C．level | D．individual |
If you ___ smoke, please go outside.
| A．can |
| B．should |
| C．must |
| D．may |
I wasn’t sure if he was really interested or if he ___ polite.
| A．was just being |
| B．will just be |
| C．had just been |
| D．would just be |
As he reached ___ front door, Jack saw ___ strange sight.
| A．the;/ |
| B．a;the |
| C．/;a |
| D．the;a |
What would have happened, ___, as far as the river bank?
| A．Bob had walked farther |
| B．If Bob should walked farther |
| C．Had Bob walked farther |
| D．If Bob walked farther |
Our chairman hasn’t come yet. If he ___ on time, we would have to put off the meeting
| A．Should come |
| B．Would come |
| C．Shouldn’t come |
| D．Wouldn’t come |