A-A+
Happily for john's mother he is working harde
问题详情
Happily for john"s mother, he is working harder to __ his lost time. A．make up for B．keep up with C．catch up with D．make use of
参考答案
正确答案：C
make up for意为“弥补”；keep up with意为“跟上”；catch up with意为“赶上”；make use of意为“利用”。约翰的母亲很高兴看到他为了弥补浪费的时间而努力。
