1.What did your sister say to you last night?
She asked me ( ) my father her secret.
A.to tell not B.not to tell C.don't tell D.not tell
2.I found ( ) to make everyone be pleased with me.
A.that difficult B.it difficult C.that 's difficult D.it be difficult
3.Teaching those naughty boys ( ) really hard for me.I'm never sure what may happen in the next minute.
A.is B.are C.will be D.had been
4.It's not right ( ) other's homework.
A.copy B.to copy C.copying D.copies