Thelecturerwanderedfromhistextto_____onapointthathadobviouslycaughthisaudience'sinterest.
A.elaborate B.interrupt C.explain D.stress正确答案A
Thelecturerwanderedfromhistextto_____onapointthathadobviouslycaughthisaudience'sinterest.
A.elaborate B.interrupt C.explain D.stress正确答案A