what'sthemeaningof"helpful"?

Areyougood_______swimming?

TranslatethesentenceintoChinese"Helikesswimmingverymuch.".

what'sthemeaningof"一起玩"?

what'sthemeaningof"dormitory"?

what'sthemeaningof"library"?

what'sthemeaningof"skill"?

what'sthemeaningof"subject"?

what'sthemeaningof"电脑"?

what'sthemeaningof"交朋友"?

what'sthemeaningof"vocationalschool"?

Ingrammaticalcontext,themeaningofawordmaybeinfluencedbytheinwhichitoccurs.

Myfriendiswaitingforme,()Ihavetogo.

下面属于二次能源的是（　　）

《伐檀》选自（）

《诗经》