【单选题】—I hate it when it rains. —________!It will be sunny tomorrow. [ ]
【单选题】I have a ______ to talk too much when I’m nervous.
【单选题】食物链即食物营养联系 是 自然生物 _______ 的基础 。
【单选题】I hate it when shecalls me at work—I’m always too busy to _____ a conversation with her.
【单选题】食物链即食物营养联系是自然生物_______的基础。