问题
选择题
Unwilling to _____his children, the old couple moved to the nursing home.
A．be burdened with
B．be burdened by
C．be a burden with
D．be a burden on
答案
答案：D
考查词组：be burdened with有…负担，be a burden on是某人的负担，句意是：不愿做孩子的负担，老夫妇搬到疗养院。选D。
