eaches us not to regret over yesterday, for it ________ and is beyond our control.

－Thechild is only 4 years old, he is not old enough to___himself.

Later, I wanted to return home but couldn’t find a companyI could useI had learnt.

“When did you become an actor?” “_______ 1995, when I graduated from college.”

They must have gotten to the top of the mountain by now. They_____ before the sun rose.