秦统一六国之后,秦始皇的诏书传到桂林,当地却没有人认识。据此,你认为秦始皇应该采取什么措施:[ ]
A.统一货币
B.焚书坑儒
C.统一度量衡
D.统一文字
答案:D
Alice received an invitation from her boss, ________ came as a surprise.
A.it
B.that
C.which
D.he
(2013·高考北京卷)If we________a table earlier,we couldn’t be standing here in a queue.
A.have booked
B.booked
C.book
D.had booked