企源知识库

The girl immediately shut the window to _____ the rain.
A、keep out
B、keep down
C、keep up
D、keep back
【正确答案】：A
【题目解析】：keep out 把…挡在外面； keep down 镇压； keep up 使…不倒下， 保持…不衰退； keep back 阻止，隐瞒。