句型转换
The computer was invented in 1976. (就划线部分提问)
__________ __________ the computer invented?Tom can’t answer this question, I think. (改为同义句)
I __________ think Tom __________ answer this question.Could you please tell me? Where can I buy some stamps? (合并为一句)
Could you please tell me where __________ __________ buy some stamps?The little girl used to be very shy. (改为否定句)
The little girl __________ __________ to be very shy.This ring is made of silver. (就划线部分提问)
__________ __________this ring made of?