题目内容
【题目】选择合适的单词补全句子
1. The bird is ________(afraid; afraid of).
2. Mike ________(am; is) happy.
3. Tom ________(and; or) the cat are worried.
4.________(They; Them) are worried.
5. Tom can't find ________(he; his) dog.
【答案】1.afraid 2.is 3.and 4.They 5.his
【解析】
略
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