A．the better voice B．a good voice
C．the best voice D．a better voice
28．— I'll be away on a business trip. Would you mind looking after my cat?
— Not at all.
A．I've no time B．I'd rather not
C．You can leave D．I'd be happy to
29．In some parts of the world, tea ____________ with milk and sugar.
A．is serving B．is served
C．serves D．served
30．It's nearly seven O'clock. Jack ____________ be here at any moment.
A．must B．need C．should D．can
31．I hope there are enough glasses for each guest to have _______________.
A．it B．those C．them D．one
32．_________ down the radio — the baby's asleep in the next room.
A. Turn B. Turning C. Turned D. To turn
33．It was not until 1920 _________ regular radio broadcasts began.
A．when B．which C．that D．since
34．The boy wanted to fide his bicycle in the steer, but his mother told him________.
A．not to B．not to do C．not do it D．do not
35．Would you like a cup of coffee first __________ shall we get down to business fight away?
A．then B．when C．or D．otherwise