35.Jack’s room always has the dusty smell of an apartment whose windows are opened.
A.rarely B.generally C.apparently D.frequently
34._________ all the required papers, he didn’t answer the questions fluently in class.
A.Having not read B.Not having read
C.Not read D.Not to read
33.Obama, the first black president in American history, ________ presidency on January 20th, 2009.
A.set up B.held up C.took up D.picked up
32.Although he was in poor health, Robert succeeded other more famous engineers failed.
A.which B.that C.what D.where
31.To her disappointment, what she had devoted herself to _______ in nothing but failure.
A.resulting B.results C.has resulted D.resulted