题目
题型：不详难度：来源：
5. He will never _______ though every means ________ tried already.
| A．lose heart; has been | B．lose heart; have been |
| C．lose his heart; was | D．lose his heart; had |
答案
解析
核心考点
试题【 5. He will never _______ though every means ________ tried already.A．lose heart】；主要考察你对一般现在时等知识点的理解。[详细]
举一反三
| A．took | B．have taken | C．had taken | D．would take |
26. — Why is little Jimmy so naughty today?
— He is bored, so he _____ a little silly.
| A．will be | B．is being | C．had been | D．would be |
32. Tens of thousands of trees _____ in the area in the past few years.
| A．have been planted | B．were planted | C．have planted | D．had planted |
28. The water will be further polluted unless some measures ______.
| A．will be taken | B．are taken | C．were taken | D．had been taken |
24. —Hi, Alice, you look tired.
—I am tired. I__________ the living room all day.
| A．painted | B．had painted |
| C．have been painting | D．have painted |
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