Ⅰ.单句语法填空
1．Costs have been reduced ________ 10% over the past 2 years.
2．It was not until he told me what had happened ________ I knew it.
3．When it comes to ________ (educate) children, we should adopt a proper way.
4．More funds ________________ (raise) for research into wildlife protection nowadays.
5．It took him a while to adapt himself ________ his new surroundings.
6．The photos reminded me ________ the days that we spent together in the summer camp.
7．I can work ________ pressure and get along with my colleagues.
8．It's ________ (usual) for him to arrive first for he often comes late.
