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To help today’s customers make a choice, a company in New York _____a video trolley — a supermarket trolley with a video screen to display advertisement and price information.
| A．has invented | B．had invented | C．invents | D．is inventing |
Despite such a big difference in ___ towards what one eats, there is no doubt that people in the west regard the Chinese food as something special.
| A．point | B．idea | C．attitude | D．sight |
The nurse whose name is Mary assisted me ______ the operation they day before yesterday.
| A．perform | B．to performing | C．on performing | D．in performing |
---Shall I go to the party tomorrow?
---I would rather _____.
| A．come | B．should come | C．would come | D．came |
The brave soldier, ________, jumped into the cold river to save the girl who wanted to kill herself.
| A．risked drowning | B．risking drowning |
| C．risked being drowned | D．risking to be drowning |
The old man said the accident______ his careless driving, so a lot of money _____ be paid by the driver.
| A．was due to , was due to | B．due to , was due to |
| C．is due to , was due to | D．is due to , was due to |