Over the past couple of years, a variety of talent shows______on TV channels across the nation, from Super Girls to Happy Boys.
| A．appeared | B．had appeared | C．have appeared | D．were appearing |
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Faced with a bill for $10,000, _________________.
| A．an extra job has been given to John | B．John has taken an extra job |
| C．the boss has given John an extra job | D．an extra job has been taken |
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Modern forms of transportation and communication have done much to ________ the isolation(隔离) of life in Alaska.
| A．break down | B．break out | C．break into | D．break through |
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The two birds _________ each other in shape and color. In other words, they ________ each other in shape and color.
| A．differ; are different from | B．differ from; are different to |
| C．resemble; are similar to | D．resemble; are similar with |
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–What have been doing _______? I’ve been so little of you.
--I have to leave early for work and comes home very ________.
| A．late; lately | B．late; late | C．lately; late | D．lately; lately |
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__________ about wild plants that they decided to make a trip to Madagascar for further research.
| A．So curious were the couple | B．So curious the couple were |
| C．How curious the couple were | D．The couple were such curious |