The building around the corner caught fire last night. The police are now ______ the matter.
—Can you describe a distinctive characteristic of this animal? —Its neck can be extended ________ of its body.
In the TV ad, the actress is asked to jump with her mouth ________ open, showing her ________ teeth.
It is universally believed that a student with an extremely ________ mind usually gets high scores in the exams, especially in the physics exam.
Smiling doesn't ________ mean you're happy.Sometimes, it just means that you're strong enough to face problems.
—In early autumn Steve applied for admission to college.He wanted to go ________ but to Cornell University. —Oh, why not Harvard?