当他睡着时，我悄悄溜进了他的卧室。

I ___sneaked ___into his bedroom while he was asleep.

他打算先复印一份，然后也许能从办公室溜出去。

He was going to make a photocopy first and then, maybe he could ___sneak ___out from the office.

她试图在房子里悄悄走动，不吵醒任何人。

She tried to ___sneak ___around the house without waking anyone up.