题目内容
改错
(期中高频题)．________
答案：B was
点拨：traffic为不可数名词。
单句改错
(期中高频题)Mum, ?________
(期中高频题)It’s than ．________
(期中高频题) is ．________
(期中高频题) is than ．________
(期中高频题) ．_________
．________
阅读快车系列答案阅读快车系列答案．________阅读快车系列答案
?________
than 
．________
is 
．________
is 
than 
．________
．_________