用place短语的适当形式填空。
1. A little gratitude would be ____.
2.I' m at a loss what to do next. What would you do (if you were )____ ?
3. Plastics have ____ manyother materials.
4. We use plastics _____ many other materials.
5. While the manager was on holiday, he ___.
1. in place 2. in my place 3. taken the place of 4. in place of 5. took his/her place