these boxes are too heavy.how about the light --- a.one b.ones c.the boxes 为什么

these boxes are too heavy.how about the light --- a.one b.ones c.the boxes 为什么 These are boxes. (改为单数句） These are pencils-boxes哪里错了? what are there in these boxes? these,books,are,and,those,boxes,are 连词成句 __--These boxes are too heavy for me to carry.I 'll give you a hand __ them.( of ,to ,for ,by)该选那一个 Are these her pencil boxes?(改为同义句) Are_______pencli boxes_________? These boxes are brown.变单数求了快 These boxes are ours.(氦为单数形式) These boxes are ours氦为单数形式 This is a box.(改为复数句）是These are boxes.还是These are many boxes. These boxes were too heavy for them to raise.(句意不变）These boxes were ___difficult ___they____ raise____These boxes weren't______ ______for them _____raise. These questions are too hard. these p------- are too long for peter animals rare too china these in are These p____ are too long for Peter .These boxes are very heavy ___.A.be carried B.carry C.carried D.be carrying 改疑问句：my favorite color is blue sally is 11 years oid these are small boxes