请帮解释一下这题为什么选 unless :shall David go to see the film not unless he has finished...---Shall David go to see the film?---Not ____ he has finished his homework.A.Since B.Once C.When D.Unless我懂选unless ,其实是不懂其他
来源:学生作业帮助网 编辑:作业帮 时间:2024/09/09 17:55:54
xWKSY+t-j),fkjvZQReq@ 䩑$BM0߹;4NDLU{wsG_GQ^myadoFlq6گI8㓓oÐ4~_{|COx51` <`Эsͯb
xO |_ou&1'eet;졨Bl$fkq2}ߗ1p]|4ԒAb6fc;>Y3]LH#ªұ[ŊxkGWel2fm,[ݨ*Wwz'Y4N~zUyl˷%x~|eO^5'K1@+1>u<%E)ۀ'v%a#;f
3,D-!_UJtڽ {ݖUX+q~%E2rEg_)@n!w H92fsƲ^gf{yt0mL}4ܾL
f/rX1Xױx^Q`
|fg-Rt^2(/ۥerRk"9l/m۫k:[FeH08E,pï|8x