6-3grammar ⅰ.单词拼写 1.the cuckoo ________(下蛋) in other birds' nest. 2.they all said that he is a ________(活着的) lei feng, for he is happy to help others. 3.this book contains five units, ________(涉及) some exercises. 4.what are your ________(条件) for accepting the invitation? 5.i shall not ________(关心) myself with her affairs. 6.we found several good camping ________(地点) by the river. 7.smoking during pregnancy can e______ your b