1.、in the light of recent discoveries it may be necessary to revise our previous theory.
问题描述：
1.、in the light of recent discoveries it may be necessary to revise our previous theory.
为什么用in the light of ,不用in line with
2.washing the food down with water a substitute for chewing is not a good habit.
3.i asked him to spare me a few minutes so that we could go over all the problems.
4.this type of desk and chair can be adjusted to the height of studentsat different ages.
5.a formal is preferable to a casual one for such an occasion .为什么用preferable,不用不用suitable.
答
2.washing the food down with water a substitute for chewing is not a good habit.答：这题有问题.原题句应为：Washing the food down with water as a substitute for chewing is not a good habit.译：靠水将食...