___ many times, he finally understood it.
| A．Told |
| B．Telling |
| C．Having told |
| D．Having been told |
---- Did you ______ the concert yesterday evening?
---- Sorry, I didn’t have enough time. I really regret ______ my homework earlier.
| A．attend; not to finish |
| B．join; not finishing |
| C．take part in; having not finished |
| D．attend; not having finished |
On the top of the mountain, you can get a wonderful ______ of the nearby hills. This is the very reason _______we like to go there in our spare time.
| A．scene; why | B．view; why |
| C．scenery; that | D．look; which |
To live in ______ countryside for some time is really ______ helpful experience to children growing up in the cities.
| A．a; a | B．a; the | C．the; a | D．the; the |
He is such ______! He is sure to ruin（毁坏）all the fun here if you invite him to the party.
| A．a wet blanket | B．a black sheep |
| C．a white elephant | D．a green finger |
The place_____ the bridge is supposed to be built should be _____ the cross-river traffic is the heaviest.
| A．which; where | B．where; in which |
| C．in which; where | D．in which; in which |