It is safe to eat chicken that ________fully, but most people still dare not do that because of the H7N9 bird flu .
It’s important for us students to pay attention to __________ the teacher in class.
Tim was _______ in the accident.
Everyday my mother made delicious food _______ tired she is.
You ________ drive after drinking. It is dangerous.
We have to ________ early to get there on time because of the heavy traffic.