单项选择题
Once（）of the necessity of a move，he worked hard to find a new home.
A. convincedB. be convincedC. convincingD. having convinced
单项选择题 I meant______you, but I'm afraid I forgot.
单项选择题 It is hot and dry, and the flowers need______.
单项选择题 My father has classes______day: Mondays, Wednesdays and Fridays.
