1．It seems to me that no        （原因）that you gave us for your mistake is sound.

2．The new railway is under        （建设）.

3．Before giving evidence you must        （发誓）to speak the truth.

4．Instead, he chose the weakest man he could find to go to the bar with and         （逮捕）the sailor who was breaking the things in the bar.

5．As with drawing a picture, you should be        （耐心）and careful in doing this job.

6．He fell ill and        （最终）dead.

7．        （供应）electricity to houses is their work.

8．We are        （不愿意）that she should join our club.

9．Eggs are sold by the        （打）.

10．The communication between        （飞行员）and controllers is extremely important to air safety.