题目

根据句意及所给首字母提示，补全句中所缺单词。 1. Our English teacher tells us s               in English. 2. I want to t               to them and play games with them. 3. He is not at school and he is at h              . 4. Can I m               friends with you? 5. Linda can play basketball on the w              . 一匹雄性黑马与若干匹纯种枣红马交配后，共生出20匹枣红马和23匹黑马。下列叙述中，最可能的是（  ）①雄性黑马是杂合子 ②雄性黑马是纯合体 ③枣红色是显性性状④枣红色是隐性性状A．①和④B．②和③C．①和②D．③和④