Sandy has ----for hours A.phone B.been on the phone C.make a phone call D.by phone
问题描述：
Sandy has ----for hours A.phone B.been on the phone C.make a phone call D.by phone
答
B
SANDY已经打了几个小时的电话了.
have been doing 可以表示持续做某事 I've been reading for hours.我读了好几小时的书了.多少有些抱怨的语气在.
on the phone表示在打电话