We ____ on this project for four hours. Let’s have a rest.
| A．are working | B．have been working | C．worked | D．had worked |
This watch is __________ to all the other watches on the market.
| A．superior | B．advantageous |
| C．super | D．beneficial |
Then __________ we had been looking forward to.
| A．the hour came | B．came the hour |
| C．did the hour | D．the hour did come |
Most people there received so little education that they were __________ of the law. As a result, they caused many troubles and hurt a lot of __________ people.
| A．innocent; indifferent | B．ignorant; innocent |
| C．innocent; ignorant | D．ignorant; indifferent |
The city is familiar __________ because I studied here for four years.
| A．for me | B．with me | C．to me | D．at me |
We are at your service. Don't __________ to turn to us if you have any further problems.
| A．beg | B．hesitate | C．desire | D．seek |