改错these engineers have made a series of vitality important new innovations in industrythese engineers have made(A) a series of(B) vitality (C)important new innovations(D) in industry

改错these engineers have made a series of vitality important new innovations in industrythese engineers have made(A) a series of(B) vitality (C)important new innovations(D) in industry 改错：These are ours books 改错：These clothes are her. 改错 hese are her grandparent --Are these your notebooks? --Yes,these are. 改错 what are these?----these are apples.(给句子改错） how many are these blue shoes 改错 are these new books her?改错题 how many donkey are these?改错 these are the boys clothes改错 how much is these black pants.改错 these American teachers can say Chinese改错 These animals are call monkeys 改错 --What are these?--They're watchs.改错 改错 These are her videos tapes急 these is their teachers的改错 These are my parent.句子改错 These are my parent 改错句