Some researchers believe that there is no doubt ______a cure for AIDS will be found.
| A．which | B．that | C．what | D．whether |
Tom’s little sister is a girl of great _______. She takes an interest in everything.
| A．ambition | B．caution | C．curiosity | D．strength |
— Why do we get up so early?
— If we _______ the flight we would have to stay here for another day.
| A．miss | B．would miss | C．missed | D．had missed |
— Have you finished your work?
—Yes. Actually, I _______ it before you came.
| A．have finished | B．had finished | C．finished | D．would finish |
April 23 is stated as World Book Day, an important date for literature around the world, _______ Shakespeare was born and died.
| A．where | B．when | C．which | D．why |
_______ with the performance by Lily, the judges gave her a high score.
| A．Impressing | B．Being impressed |
| C．Impressed | D．Having impressed |