Ⅰ.单句语法填空
1．To improve learning efficiency, students must spend more time focusing (focus) on the skills which they are weak in.
2．Despite the fact that the disease is so common, treatment is still far from satisfactory.
3．It's commonly believed that texting while driving causes distraction (distract)．
4．They have lost touch with what is happening in the country.
5．Since ancient times，China has been(be) a united whole.
6．He gives the bird to the neighbor's little girl，curing(cure)her illness.
7．You will be given(give)another day to make your decision.
8．My houses were damaged (damage)in the earthquake.
9．Teenagers should be educated (educate)to take care of themselves from an early age.
10．In his journal, Captain Scott recorded that he and his companions were weakened (weak) by lack of food.
