备战2018年高考选择题每日一练（21）
年级： 学科：英语 类型： 来源：91题库
一、单选题（共10小题）
1、Only when Lily walked into the office ______ that she had left the contract at home.
A . she realized
B . has she realized
C . she has realized
D . did she realize
2、The boss of the company is trying to create an easy atmosphere ______ his employees enjoy their work.
A . where
B . which
C . when
D . who
3、 _____ the students came from different countries, they got along quite well in the summer camp.
A . While
B . Unless
C . Since
D . Until
4、China Today attracts a worldwider readership shows that more and more people all over the world want to learn about China.
A . who
B . whom
C . that
D . which
5、It was when we were returning home ________ I realized what a good feeling it was to have helped someone in trouble.
A . which
B . that
C . where
D . how
6、________ what you're doing today important, because you're trading a day of your life
for it
A . Make
B . To make
C . Making
D . Made
7、All we need ________ a small piece of land where we can plant various kinds of fruit trees throughout the growing seasons of the year.
A . are
B . was
C . is
D . were
8、As the smallest child of his family, Alex is always longing for the time he should be able to be independent.
A . which
B . where
C . whom
D . when
9、Reading her biography, I was lost in admiration for Doris Lessing had achieved in literature.
A . what
B . that
C . why
D . how
10、The exhibition tells us we should do something to stop air pollution.
A . where
B . why
C . what
D . which