2014
高考英语单项选择二轮训练(16)及答案 单项选择 1. — i telephoned him now and then and i couldn’t get through to him. —the line must have been out of order, _______? a. mustn’t it b. wasn’t it c. hasn’t it d. hadn’t it 2. — can i come to ask for some advice at any time? —yes, of course. _______. a. if you’re convenient