Ⅰ.单句语法填空
1．The couple walked along the only path extending (extend) as far as the riverside.
2．On many trains and buses，there are some special seats marked (mark) out for senior citizens.
3．The policeman was pretending to be reading (read)a newspaper，in reality，he was watching the man near the window.
4．I fully understand why we are not comfortable about it，but there's no need to feel (feel) too sad.
5．He telephoned the travel agency to book (book) three air tickets to London.
6．We have to wait until the discussion between them comes to an end.
7．Even though she is beautiful，she doesn't like dressing up and is always in plain clothes.
8．The club will organize a series of activities in memory of its founder.
9．The heart is not conquered by force，but by love and tolerance.
10．The 2022 summer camp，consisting (consist)of 30 students，will start for Beijing and stay there for two weeks.
