What ______ public is concerned about is whether medical workers and scientists will be able to find for this new disease in a short time.
| A．不填;不填 | B．不填;the | C．the;不填 | D．the;a |
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How long do you think _________ the computer company launches a new model?
| A．it will be before | B．will it be until | C．will it be when | D．it will be that |
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Lucy’s new job paid twice as much as she had made _________ in the restaurant.
| A．work | B．working | C．to work | D．worked |
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Would it be ________ for you to pick me up at four o’clock and take me to the airport?
| A．free | B．vacant | C．handy | D．convenient |
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By the time he realizes he ________ into a trap, it’ll be too late for him to do anything about it.
| A．walks | B．walked | C．had walked | D．has walked |
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This photo of mine was taken ________ stood the famous high tower.
| A．which | B．where | C．in which | D．there |