问题详情:
---- Tony, you look puzzled. Have you understood me ?
---- I’m sorry. I _____ another problem just now.
A. thought of B. am thinking of
C. had thought of D. was thinking of
【回答】
D
知识点:过去进行时及其被动式
题型:选择题
问题详情:
---- Tony, you look puzzled. Have you understood me ?
---- I’m sorry. I _____ another problem just now.
A. thought of B. am thinking of
C. had thought of D. was thinking of
【回答】
D
知识点:过去进行时及其被动式
题型:选择题