Many people expect that credit cards will eventually______ paper money for almost every purchase.
A. trade B. replace 
exchange D. reduce
—I’m afraid that I can’t finish the task as soon as planned．
——____________。
| A．Don’t be afraid | B．Don’t mention it | C．I suppose so | D．Take your time |
．Hardly_________the phoneI was told that the hotel had been booked full．
| A．I had picked up；when | B．had I picked up；then |
| C．had I picked up；when | D．I had picked up；then |
It was not until one night_____we were doing our cleaning-upI got curious and wanted to see what was on the top floor．
| A．that；that | B．when；so | C．that；because | D．when；that |
一William has asked me to lend him five pounds．Should I do him the favor and lend it to him?
—Certainly，otherwise he________to borrow it from me．
| A．would try | B．should have tried | C．would have tried | D．had tried |
The elderly clerk showed us several beautiful dresses in my size and price range，hut___________ were right for me．and we were ready to leave．
| A．nothing | B．anything | C．none | D．they |