The boys,________had played the whole day long, were tired．
A．all of what B．all of which
C．all of them D．all of whom
Yuan Long ping is ______ university professor．He likes playing _____ violin．
A．a; the B．an; /
C．a ; a D．an; a
―People should stop using their cars and start using public transport.
―______. The roads are too crowded as it is.
A．All right B．Exactly
C．Go ahead D．Fine
―Do you know where David is? I couldn’t find him anywhere.
―Well. He ______ have gone far — his coat’s still here.
A．needn’t B．can’t
C．mustn’t D．wouldn’t
As a physics teacher, Mr. Chen devoted himself to teaching and researching, which earned him a good ______ in his field.
A．reputation B．expectation
C．impression D．Knowledge
I hate ________ when someone makes a mess of my learning materials on my desk．
A．it B．that C．this D．One
