Is this factory ___________?
| A．the one your father works in | B．where your father works |
| C．which your father works | D．your father works in |
— Bob has gone to California.
— Oh, can you tell me when he ______?
| A．has left | B．left | C．is leaving | D．would leaving |
Although all of the apples _____, none of them _____ good.
| A．have tasted; are tasted | B．have been tasted; are tasted |
| C．have tasted; taste | D．have been tasted; taste |
Jenny hopes that Mr. Smith can suggest a good way to have her written English _____ in a short period.
| A．improve | B．improving | C．to improve | D．improved |
It is generally accepted that _____ boy must learn to stand up and fight like _____ man.
| A．a; a | B．a; the | C．the; the | D．a; 不填 |
I think nobody makes _______ contributions to the company than him.
| A．greater | B．more great | C．more greater | D．much great |