单词拼写
根据句子及所给首字母，写出空缺处各单词的正确形式。（共5小题；每小题1 分， 满分5分）
1. Go back home now, Mary. Your parents are c______ about you.
2. The mother felt very u_____ because his son failed in the final exam.
3. After returning from America, the old man s________ in Beijing.
4. I r　　　　him as soon as he came in the room, though I hadn’t seen him for years.
5. She looks young, but a__________ she’s over 50.