问题详情:
—David has gone to Australia on business.
—Really? I ______ why he was absent from today’s meeting.
A. am wondering B. wonder C. was wondering D. had wondered
【回答】
C
知识点:过去进行时及其被动式
题型:选择题
问题详情:
—David has gone to Australia on business.
—Really? I ______ why he was absent from today’s meeting.
A. am wondering B. wonder C. was wondering D. had wondered
【回答】
C
知识点:过去进行时及其被动式
题型:选择题