be weak/poor at/in
be weak at 还是be weak in
be poor in和be weak in的区别
be weak at对,还是be weak in对?
be good at的反义词是be weak/bad at还是 be weak/bad in
be weak in; be weak at 这两个有什么区别?
do weak in 还是 be weak in?
be weak 有这个短语吗?be weak at
be poor in和be poor at这两个哪个对?
be in poor health.
用这些造一个句:be weak in/at ,give sb so
be poor at 等于什么
be weak in 后动词加ing?