江湖救急
Tomhadabookopeninfrontofhim,buthe___it
A.isn'treadingB.wasn'treading
C.dosen'treadD.didn'tread
-Howdoyoulikemynewsweater,mother?
-Oh,you____italready!It'sbeautiful.
A,arewearingB.wearC.woreD.haveworn
-Iamreadingainterestingbookatthemoment.
-Couldyoulendittomewhenyou____readingit?
A.wouldfinishB.finishdC.havefinishedD.hadfinished
(要讲出为什么选这个答案,并讲出为什么别的答案不能选)