—This apple pie is too sweet, don’t you think so?
— ______. I think it’s just right, actually.
| A．Not really | B．I hope so |
| C．Sounds good | D．No wonder |
.Among all the problems,_______is so difficult as this one.
| A．not one | B．either | C．neither | D．none |
It was 1920 ______ regular radio broadcasts began.
| A．while | B．when | C．that | D．since |
_____ is reported in the newspaper that talks between the two countries are making progress.
| A．Which | B．As | C．That | D．It |
Have you any knives？ I need a sharp ________.
| A．it | B．another | C． one | D．any |
Lucy has a great sense of humour and always keeps her colleagueswith her stories.
| A．amused | B．amusing | C．to amuse | D．to be amused |