. Thomas Edison considered genius to be _____ one per cent inspiration and ninety-nine percent perspiration.
| A．composed of | B．constituted in | C．consisted of | D．made up |
_____ is no doubt _____ Jennifer will come to see me this weekend as usual.
| A．It; that | B．It; whether | C．There; that | D．There; whether |
The parents are _____ their son who has been away from home for days.
| A．in search of | B．to search |
| C．searching | D．searched for |
The book, _______ is blue, is mine.
| A．cover of which | B．which cover |
| C．of which the cover | D．all the above |
_____ the watch and see if you can find out what’s wrong with it.
| A．Pack up | B．Break down | C．Dig out | D．Take apart |
John is a good swimmer, but I don’t like the way ____ he always shows off in front of everyone.
| A．how | B．why | C．不填 | D．which |