He went home for lunch ____ the clock struck twelve.
| A．while | B．immediately | C．right away | D．at once |
Some parents are so overprotective that they try to ______ their kids from every kind of danger, real or imagined.
| A．frighten | B．rescue | C．block | D．shelter |
Despite their ______ different backgrounds, immigrants in this community have no difficulty getting along well.
| A．entirely | B．violently |
| C．sincerely | D．fluently |
Drunk driving, which was once a ______ occurrence, is now under control with the new traffic rules reinforced.
| A．legal | B．mean | C．stubborn | D．frequent |
Consumers especially the elderly find it hard to break the habit of buying goods that are sold ______, not in bags.
| A．generous | B．gradual | C．loose | D．official |
These days, the local government has come under ______ due to its failure to bring the prices down.
| A．guidance | B．command | C．vote | D．attack |