The new law to punish the drunk driver has come into           since it passed.

I caught a _____ of the car before it disappeared around the bend.

The scientific research on how to protect the rare animals is ________. Many scientists are working hard to find new way to raise the animals by man.

Linda didn’t get there on time because of the bad weather. What’s more, her car  was in poor      .

To make members of a team perform better, the trainer first of all has to know their ___and weaknesses.