The present question is ____ many students consider it impossible ____ is really possible if effort is made.

Hasn’t Zhao Wei finished filming the movie SoYoung— Yes. She ______ on it for more than half a year.

When her husband died， she lived ______. Her lovely pet dog made her feel less _______.

Our teacher often tells us __________ homework carefully(认真地).

When he went out of his office, he found his car __________.