一.单项选择(15分)
1.H e and his s ister at the library this morni ng .
A. is B. are C. was D. were
2.Susan joined an art club at age of six and painted very well.
A. the B. an C. a
3.- When was David born?
- He was born______ June 12,1989..
A. at B. in C. on D. for
4. Nelson Mandela was of South Africa from 1994 to 1999.
A. presidents B. a president C. President D. our president