题目内容
Was it from the teacher _______you learned about this？
A. when B. where C. that D. which
C
----- When was the People’s Liberation Army’s Navy founded?
-----It ____the April of 1949.
A.dates to B.dated back C.dated from D. dates back to
Where have you been all day?
- We _________ some beautiful children and we couldn’t get away from them until it was dark．
A. meet B. have been met C. met D. have been meeting
