The number of tourists from the west (have) (more than doubled) since China (ado

游客2025-03-17 47

问题 The number of tourists from the west (have) (more than doubled) since China (adopted) the open door policy two decades (ago).

选项 A、have
B、more than doubled
C、adopted
D、ago

答案 A

解析

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【B1】[br]【B8】A、foundB、declaredC、feltD、doubledC前后一致。“felt”与“believed”并列。