4、houldC.couldD.might9.(09重庆32)—Hi,Tom.Any idea where Jane is?—She_____in the classroom.I saw her there just now.A.shall be B.should have beenC.must be D.might have been10.(09全国Ⅱ20)Ican’tleave.ShetoldmethatIstayhereuntilshecomesback.A.canB.mustC.willD.may11.(09江苏28)Hedidnotregretsayingwhathedid