—What’s the central idea of the passage，Bob?
—Sorry，I can’t make________of it.It’s beyond my ability.
| A．judgement | B．understanding |
| C．idea | D．sense |
It’s known to all that the_____ of life is full of hardships.
| A．journey | B．travel | C．tour | D．trip |
They’re looking forward_____ the coming of New Year’s Day.
| A．to visiting | B．to visit | C．to having visited | D．visiting |
-- 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 |