The vegetables in his field ________ well, because they are pollutionfree.A．ar
题型：不详难度：来源：
The vegetables in his field ________ well, because they are pollutionfree.| A．are selling | B．have been sold | | C．are sold | D．sell |
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答案
| D |
解析
| D 考察动词的时态语态。句义：他田里的蔬菜销售得很好，因为它们是无污染的。某些课用来表示主语内在品质或者性能的动词，如sell ,wash, feel, read等，其主语通常都是物，承受动作课用主动形式表示被动含义，且不用进行时。故D正确。 |
举一反三
Your headmaster would have been happy to give you two days off, if you had gone and explained that your parents ________ ill at the time.| A．were | B．had been | | C．are | D．would be |
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My parents ________ in Hong Kong. They were born there and have never lived anywhere else.| A．lived | B．were living | | C．live | D．will live |
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—Do you love teaching, Miss He?
—I fell in love with teaching in 2000. I ________ for twelve years by this summer.| A．will teach | B．would have taught | | C．has been teaching | D．will have been teaching |
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This kind of ice cream ________ like a combination of banana and strawberry.| A．tasted | B．is tasted | | C．being tasted | D．tastes |
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Egg prices usually ________ in spring when they are most plentiful.| A．are dropping | B．drop | | C．have dropped | D．will drop |
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