he found it hard _ his ciass .A.tocatch up with B.to catch up C.c_英语解答

he found it hard _ his ciass .A.tocatch up with B.to catch up C.catch up with D.catch up

人气：102 ℃　时间：2020-02-05 20:44:41

解答

A
）为什么catch up with sb赶上，追上后面有his class 所以必须要加with