单项选择题
She has such exceptional abilities that everyone is jea...
单项选择题She has such exceptional abilities that everyone is jealous of her.
Sandre came across an important letter yesterday while ...
单项选择题Sandre came across an important letter yesterday while cleaning the desk.
Sulphur has occasionally been found in the earth in an ...
单项选择题Sulphur has occasionally been found in the earth in an almost pure state.
