吹灰器不能长期搁置不用,积灰、生锈、受潮等原因会使吹灰器()。
A.动作受阻,失去功用
B.损坏,增加检修工作量
C.退出备用
D.停用,节省自用蒸汽用量
参考答案:A
Yesterday a reporter asked 10 students at Hilltop School _________ last weekend. [ ]
A. what did they do
B. what were they doing
C. what they did
She is usually __________ to be one of our best artists.
A.regarded
B.acknowledged
C.received
D.attempted