小题1:Let’s
小题2:come from
小题3:catch up with
小题4:is too hard/ difficult to/ is so hard/difficult that we can’t
小题5:not only likes playing chess herself but also spends time teaching others how to
小题1:Let’s
小题2:come from
小题3:catch up with
小题4:is too hard/ difficult to/ is so hard/difficult that we can’t
小题5:not only likes playing chess herself but also spends time teaching others how to