---When was Tom bitten by a snake?
---It was on a Sunday _______ he was taking a trip to the mountainous area.
| A．that | B．when | C．which | D．where. |
Children must _______ road safety before they are allowed to ride a bike on the road.
| A．instruct in | B．instruct | C．be instructed in | D．be instructed |
The officer demanded that such things ________ from happening again.
| A．prevented | B．prevent | C．be prevented | D．were prevented |
After much _______, the shop owner agreed to cut down the price by 15%.
| A．debating | B．talking | C．discussing | D．bargaining |
Most of the students in our school adore ______ to the cinema.
| A．to go | B．go | C．going | D．to going |
A man who will ______ his life for his country is a true man.
| A．dedicate | B．promote | C．sacrifice | D．devote |