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If I hadn"t stood under the ladder to catch you when you fell,you____now.A wouldn"t be smiling B couldn"t have smiled C won"t smile D
英语
idn't smile
If I hadn"t stood under the ladder to catch you when you fell,you___now.为何不用C?A.wouldn"t be smiling B.won"t smileC.couldn"t be smiling
英语
D.didn't smile
If i hadn"t stood under the ladder to catch you when you fell ,you ___ now.A wouln"t be smiling B couldn"t have smiled C won"t smile D
英语
didn't smile
--- “What will you do during the summer holiday?” --- “I don’t know,but it’s high time _____ something.” A：I’m deciding B：I’ll decide
其他
：I decided D：I
Do you know where Mary is?I couldn't find her anywhere.She____have gone far,for her coat's接上面 for her coat's still hereA shouldn't B m
英语
stn't C wouldn
-You are going out today,aren't you?--__,I want to go shopping.A.Yes,I'm not B.No,I'm notC.Yes,I am D.No,I am
英语
19.----Must I take a bus to your home ----No, you_______. It's just about 5 minutes’ walkfrom here A .must not B.don't have to C.shou
英语
dn't D.don't n
Don’t play the dangerous game any more.Sorry!I do it again.A can’t Bdon’t Cwon’t D mustn’t
英语
You and I could hardly work together, ?A. could you B. couldn’t I C. couldn’t we D. co
You and I could hardly work together, ?A. could you B. couldn’t I C. couldn’t we D. could we
微积分.力矩等于惯性矩乘以角加速度T=I*α求用积分方式找到力矩角度的关系.我的解T=I*d^2θ/dt^2
数学
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