_______you write on a subject,you join in an ongoing, trans-historical conversation with others who have written about your topic.
| A．No matter what | B．Wherever |
| C．Whenever | D．No matter how |
Not everyone has realized what_______ important part the balance of________ nature plays in their life.
| A．an；the | B．/；the | C．an；/ | D．the；/ |
—Does Bill do his new job well?
—____ his old job. I’m afraid there’s no hope for him.
| A．No better than | B．Not better than |
| C．Not so well as | D．Not as well as |
____ our teacher will allow ____ early after examination?
| A．Who do you think; leaving | B．Do you think who; to leave |
| C．Do you think who; leaving | D．Who do you think; to leave |
Not until the heavy snow blocked the express ____ how serious the weather was.
| A．the villagers did realize |
| B．the villagers realized |
| C．did the villagers realize |
| D．didn’t the villagers realize |
—Where did you see your friend?
—It was in the super market ____ I was doing shopping.
| A． where | B．which | C．that | D．when |