(____) He's learning English now.
(____) She learnt to cook.
(____) He studied very hard.
(____) Peter is teaching his father.
(____) Five years ago, he walked to school.
弘扬中国精神,也就是要弘扬以改革创新为核心的中华民族精神,以爱国主义为核心的时代精神。( )
用长为4cm,5cm,6cm的三条线段围成一个三角形,该事件是()