With the help of computers, people will find it easier to keep the traffic smoothly.

When did the terrible earthquake inJapan happen —Ithappened __________1:46 __________the afternoon of March 11, 2011.

He regrets such a terrible mistake.

The general demanded that the soldiers _____ at the village before 5p.m. to rescue the victims of the earthquake.

The new law states that people _____ driveafter drinking alcohol.