Neverloseheart
问题详情：
Never lose heart______ you'll make a quick advance in your project.
A. or B. and C. but D. for
【回答】
B
知识点：连词
题型：选择题
问题详情：
Never lose heart______ you'll make a quick advance in your project.
A. or B. and C. but D. for
【回答】
B
知识点：连词
题型：选择题
