I want your_________, sir. I don t know what to do.
A. advices
B. piece of advices
C. advice
D. advise
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At this moment the bell rang, ________ the end of class.
A. announced
B. . having announced
C. announcing
D. to announce
Our teachers made us ________a lot of homework after school.
A. to do
B. doing
C. do
D. to have done until seven o clock.
His backache is only _________ for not watering the flowers.
A. a reason
B. a cause
C. an excuse
D. reasons
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