they talk with each other in English..为什么talk..不能写talks

You often talk with each other in english thay talk with each other They came into the classroom,___(talk) with each other. They talk with each other _____ the telephone Can we talk to each other in english ?是什么意思 They always talk with each other at lunchtine.=They talk wit 改错：They usually talk each other in the class. 互相交谈是talk each other,talk to each other,还是talk with each oth Trees can talk with each other talk to each other we talk to each other in english in yesterday's lesson为啥要加in People can use e-mail English to talk with each other using