＿＿＿page of the book is torn and＿＿＿cover looks very old．
| A．The； the | B．A； a | C．A； the | D．The； a |
I can’t remember how the tune goes, ______ I’ll recognize it when I hear it.
| A．so | B．but | C．because | D．unless |
______ about “the God Particle” that Jude decided to search for as much information as possible about it.
| A．Such curious he was | B．So curious he was |
| C．So curious was he | D．Such curious was he |
Audiences were greatly ______ by the video class about weightless conditions _____ in Tianggon-1 space station.
| A．impressing; presenting | B．impressed; presenting |
| C．impressing; presented | D．impressed; presented |
---I heard that Bill was scolded by the teacher last week.
---Ah, yes. The teacher wanted to check his exercises, but ___ was finished at all.
| A．nothing | B．either | C．neither | D．none |
____ can be seen in the chart right here, the air pollution level in the city has been increasing over the last months.
| A．What | B．It | C．that | D．As |