I have to deal at a lot of unexpected issues at work today.
deal with (should)
I don't usually listen the client's concerns carefully.
listen to (imperative)
My boss looked in the report and found some errors.
looked at (imperative)
I can't concentrate to this project without distractions.
concentrate on (should)
I'll think at the offer and always get back late.
think about (imperative)
I need to talk about my manager to the recent changes in the policy.
talk to / about (should)
