There is no doubt _____ Mo Yan, who was awarded the Nobel Prize in Literature last year, has been _____ in writing for decades.
| A.that; committed | B.whether; committed | 
| C.what; absorbed | D.that; absorbed | 
If he ____ the book before, Jack would be able to tell us something about the story now.
| A.read | B.would read | 
| C.was reading | D.had read | 
----What's your ____ towards working on the weekends?
 ----I am strongly against it.
| A.impression | B.attitude | 
| C.courage | D.opinion | 
The industry is to the national economy. It is expected to account for 38.4% of our country's GDP by 2015.
| A.valuable | B.vague | C.vital | D.valid | 
----Helen, what did our headmaster say just now?
 ----Every boy and girl, as well as the teachers who ______ to lead the group, _______ asked to come to school before 9:00 tomorrow.
| A.is; is | B.are; are | 
| C.are; is | D.is; are | 
With the help of advanced technology, many new subway lines _______ in the past few years.
| A.built | B.have built | 
| C.have been built | D.had been built |