一本书6元，小红带了20元钱买3本书够吗？
6+6+6=18（元），20>18，够
. She had only twenty dollars left, _____ to buy her two children Christmas presents.
A. in which B. with which C with that D. in that
空预器吹灰辅汽供汽手动门的实际位置？
