He fell in love with the beautiful scenery at the first sight, and _________ it ever since.
| A．had never forgotten | B．didn’t forget | C．isn’t forgotten | D．has never forgotten |
A draft regulation on school bus safety management was made public by the State Council, with the public________to give comments.
| A．to invite | B．inviting |
| C．invited | D．having invited |
Natural learning environments inspire a burning ________ to learn, the key to a productive lifestyle.
| A．position | B．desire |
| C．impression | D．opinion |
—Jack's car hit a big tree yesterday.
— ________？ In my memory, he is always a careful driver.
| A．How come | B．Guess what |
| C．So what | D．Why not |
Europeans always hold their fork in the left hand, ________Americans switch it between their left and right hands.
| A．before | B．because |
| C．while | D．since |
A US coal producer agreed to pay ________ total of $ 209 million for the mining accident that killed 29 people，________ worst such disaster in 40 years in the US.
| A．the；the | B．a；a |
| C．the；a | D．a；the |