问题
选择题
—Do you enjoy ______ a volunteer?
—If you want _______ this, you’d better join us. [ ]
A. being; knowing
B. to be; knowing
C. being; to know
D. to be; to 
know
答案
答案：C
搜题请搜索小程序“爱下问搜题”
—Do you enjoy ______ a volunteer?
—If you want _______ this, you’d better join us. [ ]
A. being; knowing
B. to be; knowing
C. being; to know
D. to be; to know
答案：C
）佳节又重阳， ，半夜凉初透。（李清照《醉花阴》）
。（苏轼《念奴娇·赤壁怀古》）