(2006·青海中考題)

They have ________ a lot of advanced electric equipments.

[  ]

A.done
B.designed
C.been done
D.been designed

答案:B
解析:

解析:本句的謂語動詞是dodesign,無論選用哪一個動詞,句子的主語they都是它們的執(zhí)行者,故本句謂語應該使用主動語態(tài),而不是被動語態(tài);從動詞所表示的意義看,“制造設備”應該使用動詞make而不是do。故選B。


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