| The couple felt most angry about the way ______ the waiter of the hotel treated them. |
A. by which B. in which C. for which D. with which |
| American women usually identify their best friend as someone ____ they can talk frequently. |
A. who B. as C. about which D. with whom |
| The countries have been _____ for more than a century. |
A. at rest B. at war C. at table D. at school |
| The schools themselves admit that not all children will be successful in the jobs ______ they are being trained. |
A. in that B. for that C. in which D. for which |
| The water will be further polluted unless some measures _____. |
A. will be taken B. are taken C. were taken D. had been taken |