be+opened
11opened fire — began to fire …
12opened his eyes to- — was exposed to him, showed him something that he wasn t aware of …
13opened his heart — showed kindness; expressed his true feelings …
14opened his mouth — said something; gaped his mouth …
15opened negotiations — began negotiations …
16opened new horizons — supplied new possibilities, gave new prospects …
17opened ranks — created a space, made a gap, was spread out …
18opened the meeting — began the meeting …
19opened the window — put the window in an open position, let in fresh air …
20opened up — revealed oneself, disclosed everything …