________a certain doubt among the people as to the practical value of the project.
| A．It has | B．They have |
| C．It remains | D．There remains |
We must face the fact __________ our time is limited and we must cherish every minute.
| A．which | B．on which | C．that | D．why |
.When and where I shall go for this summer vacation_________ yet
| A．has not decided | B．are not decided |
| C．has not been decided | D．is not being decided |
Mr Smith, _________ of the ___________speech, started to read a novel.
| A．tired, boring | B．tiring, bored | C．tired, bored | D．tiring, boring |
----Could I ask you a rather personal question?
---- __________________
| A．Yes, don’t worry. | B．Of course, go ahead. |
| C．Yes, help yourself. | D．Why not? |
I want a large,________ box that won't break easily to contain some useful things.
| A．genuine | B．solid | C．violent | D．slight |