题目
题型:陕西省期中题难度:来源:
B. has proved
C. has been proved
D. is proved to be
答案
核心考点
试题【The great invention he made ___ of great benefit to the whole world.[ ]A. is】;主要考察你对现在完成时等知识点的理解。[详细]
举一反三
B. has changed
C. changing
D. had changed
B. were reaching
C. have reached
D. had reached
B.had climbed
C.climbed
D.have climbed
on the north of a lake, produced much waste.As the result, the lake was serious polluted.To the west
was a sandy field, that was the source of dust.Better still, a brickyard on the southwest side of the lake
used up a great deal good soil.Now the poor house have been replaced by green trees and the brickyard
by tall buildings.The sandy field that the villagers used to ploughing has been covered with fruit trees.
On the lake the villagers often spend his spare time boating and fishing.
改错:
—I _____ my MP4 player on the bus.
B. am lost
C. have lost
D. was lost
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