Among the subjects we study at school, I think English is ____________.

Good evening. I _______ to see Miss Lisa.—Oh, good evening. I’m sorry, but she is not in.

Couldyouaskhimifhe_______tomybirthdaypartynextSunday?—Iwill,ifI_______himthisafternoon.[ ]

He found very difficult the math problem．

Sara kept the secret to ________ and nobody knew about it.