．—What happened to the young trees we planted last week?
—The trees ____ well, but I __________ them.
| A．might grow; hadn’t watered | B．needn’t have grown; didn’t water |
| C．would have grown; didn’t water | D．would grow; hadn’t watered |
-- The thread of my kite broke and it flew away.
-- I had told you it would easily break_______ it was the weakest.
| A．when | B．since | C．unless | D．where |
The violin will have to be tuned before it _____.
| A．plays | B．should play | C．is played | D．is being played |
Charles Babbage is generally considered_____ the first computer.
| A．to invent | B．inventing | C．having invented | D．to have invented |
_________ I can see, there is only one possible way to keep away from the danger.
| A．As long as | B．As far as | C．Just as | D．Even if |
—Could I ask you a rather personal question?
— _______
| A．Yes, don’t worry. | B．Of course, go ahead. |
| C．Yes, help yourself. | D．Of course, why not? |