— Miss Wang once ______art at Badon School for ten years and now is a singer.
— No wonder I often hear her sing in the garden.
A：has taught
B：taught
C：is teaching
D：teaches
My mother often cooks _______ for us.
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那盆仙人球在肉质很厚的三角形茎柱上，顶着一个黄色的圆球。布满刺芒的圆球旁，绽放出一朵橘红色的小花，美丽极了，长长的花蕊上还有点点花粉呢！我看它就像一位快乐的小天使，举起一束火炬。仙人球只要一撮泥土，没有任何苛求，四季长青，给人以美的享受。它祖祖辈辈生活在沙漠里，高温锻炼了它的体魄，风沙培养了它的坚韧，它是大自然抗御逆境的骄子。
