Mary couldn't remember when she first met Mr.Andersen,but she was sure it was__ Sunday because everybody was at __ churchA/,the B.the,/ C.a,/ D/,/

try as she might ,Mary couldn't get the box Mary couldn't run very fast because she had a sore back.同义句 Yesterday Mary couldn't finish her homework,so she has to go on 什么 it this Mary COULDN'T make herself ____attention toBECAUSE HER CLASSMATES MADE SO MUCH NOISE.答案为paid , Mary ( )( ) her key to the bicycle yesterday.为什么是couldn't find,而不是found? Mary said they couldn't come on time,( 为什么空格里填的是didn't she Mary _________ with embarrassment when she couldn’t answer the question.A.shiveredB.worriedC.flushedD.scattered为什么？ Yesterday Mary couldn't finish her homework,so she has to go on ___ it this afternoon.(do) Mary couldn’t her ID card,she looked worried.A.look for B.find C.find out “no ,please--------.I'll do it myself.”said mary.选项请看问题补充A.didn't B.couldn't C.can't D.don't i couldn't agree I couldn't help couldn't发音 i couldn‘t是什么意思 couldn‘t什么意思? couldn't connect to couldn't是什么意思 couldn t和