Ⅰ.单句语法填空
1．We could see nothing in the thick fog at a distance (distant) of two metres, so we got lost.
2．What great fun it is to have a cool drink in summer!
3．The government supplies schools with free books.
4．People are not allowed to_smoke (smoke) in the reading room.
5．Tsinghua University, founded (found) in 1911, is home to a great number of outstanding figures.
6．He shot (shoot) at a bird，but he missed it.
7．The president spoke at the business meeting for nearly an hour without referring (refer) to his notes.
8．From the date marked (mark) on the coin，we knew that it was made 500 years ago.
9．More than one student was_invited (invite) to attend the important meeting yesterday.
10．Scientific research results can now be quickly applied to factory production (produce)．
