- 问题详情:—Icalledyoulastnight,butyoudidn’tanswer.—Sorry,Grace.I IAmASingerwhenthephonerang.watching watching watched【回答】B 我们可用“联系上下文法”解答本题。由第一个人...
- 22998
- 问题详情: (2011年合肥第三次教学检测)—Icalledyoulastnight,butnobodyanswered.—Oh,Iusually________offmycellphoneby8∶00p.m..A.switched B.haveswitchedC.switch D.hadswitched【回答】解析:选C。考查动词的时态...
- 10075