Ⅰ.单句语法填空
1．He made no response(respond) to my suggestion，which made me unhappy.
2．Over the past decades，sea ice has been decreasing(decrease) in the Arctic as a result of global warming.
3．I don't want to bother him with my problems at the moment.
4．The price of cotton has increased by 70%，because the production of it is on the decrease.
5．What he needs is not money but some understanding.
6．New technologies have made it possible to turn out new products faster and at a lower cost.
7．How I envy her having(have) the chance to study in England!
8．He had a camera ready in case he saw something that would make a good picture.
9．Being able to afford a drink would be a comfort in those tough times.
10．The boy climbed the tree and hid in the branches (branch)．
