—Iheardthepeasantshere

問題詳情：

—I heard the peasants here ____ very poor in the past．

—Yes，but there ______ great changes in the past few years．

A．were；were        B．have been；have been

C．have been；were     D．were；have been

【回答】

D

知識點：動詞時態

題型：選擇題