赞题库-背景图

单项选择题

The doctor was asked to go back to the hospital because of ______ case.

A．an operation
B．an emergency
C．a treatment
D．an incident

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热门试题

单项选择题A．devisedB．recognizedC．scrutinizedD．visualized

A．devised
B．recognized
C．scrutinized
D．visualized

单项选择题A．directionsB．instructionsC．specificationsD．cormmentaries

A．directions
B．instructions
C．specifications
D．cormmentaries