He’s got himself into a dangerous situation he is likely to be accused of meeting someone[ ]

．—Must I give the pen to the manager ?—No, you may give it to________you think is on duty in the office

The police were seeking more information to find out ______ the rich merchant. [ ]

The best method to ______ this goal is to unite as many people as possible.

(2013·乌鲁木齐高三第一次诊断性测验)—Hi, Kathy! Any plans for tonight?—Not yet, TimI ________ where to go for dinner