单项选择题
He had a（）look in his eyes. He must have been shocked.
A.empty B.bare C.blank D.hollow
单项选择题 While admitting that this forecast was（）exaggerated, the scientists warned against treating it as a cry of wolf.
单项选择题 In the advanced course students must take performance tests at monthly（）
单项选择题 Four people were seriously（）in an accident on the motorway.
