The editor-in-chief asked me to write another article for them， about how to prevent bird flu.
| A．that | B．one | C．the one | D．those |
Have you ever had a case _____someone accused you of doing something you hadn’t done?
| A．which | B．that | C．where | D．when |
The problem will appear____ a different welfare system will be created.
| A．unless | B．whether | C．until | D．if |
____ is those small daily happenings ____make life so special.
| A．It / that | B． That / that | C．It / this | D．This /this |
______ the agreement was reached without conflict.
| A．Happy | B．Happily | C．Unhappy | D．Unhappily |
Jack liked the milk so much that he had it ____to his house every week.
| A．deliver | B．to deliver | C．delivered | D．delivering |