Ⅰ.单句语法填空
1．I lost my pen last week so I bought________yesterday.
答案： one
2．There are some beautiful flowers on________sides of the street in the spring.
答案： both
3．There are two books on the desk.You can take________of them.
答案： either/both
4．I phoned my parents yesterday，but________of them answered.
答案： neither
5．The little boy finished his cake and asked for ________.
答案： another
6．They seemed ________ (write) something for somebody now.
答案： to be writing
7．When ________ (hold) the meeting is still to be discussed.
答案： to hold
