His letter was so confusing that I could hardly make any ______ of it.
| A．explanation | B．meaning | C．sense | D．guess |
Rather than _____his car on the busy road, Mr Green always prefers____ his bike.
| A．drive; to ride | B．driving; ride |
| C．to drive; riding | D．to drive; ride |
Alice likes listening to____ music while Joan is fond of surfing on ____Internet.
| A．a, the | B．the , / | C．/ , the | D．/, an |
________ you make a mistake, you should not be embarrassed. After all, we are human beings.
| A．Should | B．Would | C．Had | D．Were |
Medical doctors sometimes can make mistakes ______ will cost ______
| A．that; patients their lives |
| B．what; patients their lives |
| C．which; patients for their lives |
| D．that; patients with their lives |
Many people have applied for a job with our company, but we only have one or two ______ positions at the moment.
| A．empty | B．vacant |
| C．permanent | D．adequate |