Question

-Can you tell me where the students of Class 2 are?

原题为 -Can you tell me where the students of Class 2 are？-they____reading the book on Scientific Outlook on Development just now. A.will find B.have found C.were found D.found

Answer 1

选C.were found
后面是just now 所以是用过去式，用were doing 是过去进行时，表示那时候他们正在，看书

Answer 2

选B，是现在进行时，又不是过去时，所以只有是B

Answer 3

C.were found