Ⅰ.单句语法填空
1．We must value the time at class.Every second counts(count)．
2．The president's visit established a link between the two countries.
3．We should treat the treasures that our ancestors(ancestor) left us carefully.
4．There is no doubt that what matters(matter) is not the speed, but the quality of the product.
5．John, as well as his parents, has(have) been to Sanya during their holidays.
6．The problem should be solved instantly(instant)．
7．A girl lay on the ground，her face barely recognisable (recognise)．
8．The problem he raised yesterday is under debate.
9．The way out lies in education.
10．The blind can not tell light from darkness.
