Experts think that __________recently discovered painting may be ________ Picasso.
| A．the ;不填 |
| B．a ;the |
| C．a ; 不填 |
| D．the; a |
Just as too much harmony is tiresome in music,________.
| A．the life of too many benefits annoys us |
| B．so, in life, too many benefits annoy us |
| C．we are annoyed with lives also of too many benefits |
| D．a lot of benefits annoy us in life |
A fire broke out in a commercial mall unexpectedly, ________ the customers and the persons working there fleeing for safety.
| A．making | B．causing | C．forcing | D．sending |
The longest bridge linking Hongkong to Chinese mainland at Zhuhai and Macao in a giant Y- shape, is due to be completed by 2015 and to be in use for 120 years.
| A．will be expected | B．is expecting | C．is expected | D．was expected |
Both parents and teachers work hard at either preventing failure or protecting the children from the knowledge_______ they have failed.
| A．where | B．why | C．which | D．that |
—What a pity! You should have urged him to hand in his English homework.
—I _______. But he wouldn’t listen to me.
| A．have done | B．did | C．had done | D．do |