1. Mr. Samuel, _______ manager of our company, is now in _______ possession of many branches across China.
A. the; the B. /; / C. a; the D. a; /
2. Whether using mobile phones does harm to health remains to be _______.
A. checked B. identified C. confirmed D. declared
3. This job interview is very important to me, so I must get it prepared _______.
A. adequately B. actively C. attentively D. cautiously