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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 |
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If a computer crashes, you will lose the file you _________unless you save it regularly.
| A．are working | B．work | C．will work | D．worked |
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You must put your heart into what you are doing, or you ________ your aim.
| A．never achieved | B．will never achieve |
| C．have never achieved | D．are never achieving |
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--- I hear you__________at Smith’s.
--- Yes, I __________ there for about three months.
| A．work; had been working | B．worked; was working |
| C．are working; have been working | D．worked; have worked |
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—Would you like to join us in the game?
—________ , for I have something important to attend to.
| A．I will | B．I’d love to | C．I won’t | D．I’m afraid not |
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This January will be very precious for us by which time we_______reviewing Senior Book I.
| A．will finish | B．will have finished | C．have finished | D．will be finished |
As the storm drew near, black clouds were _____ over the sky.
| A．smoothing | B．wandering | C．running | D．gathering |
Facing danger, he always _____ calm.
| A．seems | B．remains | C．becomes | D．appears |
When my sister phoned me, I could not hear clearly what she was _____.
| A．speaking | B．talking | C．saying | D．telling |
The two brothers _____ every day and there was no love left between them.
| A．quarreled | B．hated | C．loved | D．worked |
It would be _____ a risk to let the child go to school by himself.
| A．running | B．following | C．passing | D．carrying |
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