单项选择题— ______ —Yes, a bit cold, though.
单项选择题No sooner had we reached the top of the mountain ______ we all sat down to rest.
单项选择题I don't think it advisable ______.
单项选择题—Let me introduce myself. I'm Albert. —______.
单项选择题It is foolish ______ such a mistake.
单项选择题Only twenty percent of the work ______ done yesterday.
单项选择题Not only Tom but also Alice and Mary ______ busy.
单项选择题—So you missed the meeting. — ______ . I got there five minutes before it finished.
单项选择题Neither Mary nor her brother ______ good at singing.
单项选择题It is chairman of the department ______ the teaching staff elected him.