Paper money was in ____ use in China when Marco Polo visited the country in ____ thirteenth century.
| A．the; / | B．the; the | C．/; the | D．/; / |
Almost every teenager will experience a period in their life _____ they aren’t content with their parents．
| A．when | B．where | C．that | D．which |
Little did the teacher imagine that a student good at maths _____ have failed in the exam．
| A．might | B．should | C．need | D．would |
— I’ve never seen you so rude!
— I _____ something I shouldn’t have, but I didn’t mean that．
| A．have said | B．had said |
| C．did say | D．was saying |
Tom was sorry to learn that his grandfather _____ for half an hour when he got to the hospital．
| A．had died | B．had been dead |
| C．Died | D．has been dead |
Though the number of Japanese army was _____ that of our Eighth Route Army, they lost the battle in that mountainous village．
| A．as large twice as | B．twice as large as |
| C．large as twice as | D．as twice large as |