未知题型 It was very kind of you to do the washing-up, but you ________ it.A) mustn’t have done B) wouldn’t have doneC) mightn’t have done D) didn’tave to do

未知题型 John Dewey believed that education should be a preparation for life, that a person learns by doing, and that teaching must ________the curiosity and creativity of children.A) seek B) stimulate C) shape D) secure

未知题型 A peculiarly pointed chin is his most memorable facial ________.A) mark B) feature C) trace D) appearance