It will be years _______ all children can go to school free of charge at all
A．since B．after C．as D．Before
Lily often watches TV, so ________．
A．does she B doesn’t she C．I do D．do I
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
