Question

．Walking alone in the dark，the boy whistled to ________ his courage. A．hold up B．keep up

．Walking alone in the dark，the boy whistled to ________ his courage. A．hold up B．keep up C．set up D．take up

Answer 1

B 解析　句意为：独自在黑暗中行走，男孩吹口哨源旁保持勇气。B项意为“维持，使不低落”，符合句意。A项意为“举起”；C项雹陪橡意为乱塌“建立”；D项意为“拿起”，都与句意不符。