Fans from miles around crowded into the stadium for the concert of Jay Chou on September 4th, 2010, _________ are popular with teenagers.
20.He took much pain-killer last night, thus ______ his headache.
19.China is a great country with a long history, ______ we all know it.
18.Development of economy ______ which our country attaches great importance, has drawn the attention of the whole world.
17. ______ others might have been satisfied, Dawson had higher ambitions.
16.The dying man moved his lips as if ______ something, but it was too late for him to let out a single word. A. to say B saying C. said D. having said