Lucy ran fsater____(catch) up with her classmates.为什么填to cat

Lucy ran fsater____(catch) up with her classmates.为什么填to cat She ran catch up with her Lucy made up her mind to work hard to catch up with others(保 he found it hard _(catch up with) his classmates.怎么填 为什么? catch up with my classmates He ran quickly so that he could catch up with his classmates He ran too fast for _____ to catch up with. He ran ___(swifter) to catch up with the thief In order to catch up with hei classmates,____. to catch up with my classmates ,I must study hard Susan could't catch up with her classmates w____ your help. The girl ran up to me,barely able to catch her breath.女孩跑向我,