题目
题型:不详难度:来源:
Every possible means _______ been taken to prevent the river _________.
A.have; polluting | B.has; polluted |
C.has; from being polluted | D.have; being polluted |
答案
解析
核心考点
试题【Every possible means _______ been taken to prevent the river _________.A.have; p】;主要考察你对一般现在时等知识点的理解。[详细]
举一反三
Where she will go and when she will leave _____ what I want to know.
A.is | B.were | C.was | D.are |
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A.ran | B.was running | C.had run | D.has run |
-Hi, I didn"t know you had come back! Have you finished your teaching in America?
-Yes. I______Chinese there for more than two years.
A.have been teaching | B.was teaching | C.taught | D.had taught |
-Did you attend Mary and Tom’s wedding ceremony?
-Yes,but as you know,they________each other no more than 3 months.
A.knew | B.had known | C.have known | D.have been knowr |
-I give up.It’s too hard.
-Really? I______you could make it through.
A.think | B.thought | C.have thought | D.am thinking |
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