At this moment the bell rang, ________ the end of class.
A. announced
B. . having announced
C. announcing
D. to announce
查看答案
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
Are you _________ your classmates well？
A. getting along
B. get long with
C. getting long with
D. getting along with life in the country.
微信支付 
支付宝支付