My sister couldn't ride a bike when she was five(改为同义句）My sister ______ ______ _______ride a bike when she was five

My sister couldn't ride a bike when she was five(改为同义句)My sister ______ ______ ______ ride a bike when she was five. My sister couldn't ride a bike when she was five(改为同义句）My sister ______ ______ _______ride a bike when she was five My sister met him at the Grand theatre yesterday afternoon,so he_______have attended your lecture.A.couldn't B.needn't C.mustn't D.shouldn't 打电话用speak 还是用talkwhen my sister called me,i couldn't hear clearly what she was ____?speaking talking 用哪个好啊 一道英语题： -My sister couldn't help jumping with joy at the news. -Why not?One can't imagine...一道英语题：-My sister couldn't help jumping with joy at the news.-Why not?One can't imagine what it feels like__the first prize.A.winning B. My sister met him at the Grand Theatre yesterday afternoon,so he ________ your lecture.A.couldn't have attended B.needn't have attended C.mustn't have attended D.shouldn't have attended 有一道英语选择,My sister met him at the Grand Theatre yesterday afternoon,so he __your lecture.A.couldn't have attended B.needn't have attendedC.mustn'thave attended D.shouldn't have attended I can't look after my sister Gina isn' t my sister. She's My sister don’t like winter改错 My sister isn`t good at maths I couldn't find my dog +anywhere 还是some where? My father couldn't find his ______ (lose) bike I couldn't find my pen anywhere什么意思? I couldn't find my pen.I l______ it i couldn't find my book everywhere/anywhere “i couldn't believe my eyes!the car was upside it was so cold that i couldn't feel my