来自刘青宝的问题
BothofthetwinsgotoschoolbybusBothofthestudentsspellthewordquickly(否定句)
BothofthetwinsgotoschoolbybusBothofthestudentsspellthewordquickly(否定句)


BothofthetwinsgotoschoolbybusBothofthestudentsspellthewordquickly(否定句)
BothofthetwinsgotoschoolbybusBothofthestudentsspellthewordquickly(否定句)
Neitherofthetwinsgotoschoolbybus.
Neitherofthestudentsspellthewordquickly