He said that the political pressure was too much to make the job worth keeping.
Having his hands tied behind him made keeping his balance a good deal more difficult than it should have been.
Traffic heading down toward the city was dense and made keeping her in sight easy.
There still aren't enough tourists to make keeping it open worthwhile.
It made keeping him informed easy for a change.
In addition, the sheer volume of clinical studies makes keeping tabs on them difficult.
It makes keeping track of who's who a lot easier.
The media scrutiny of today probably makes keeping a secret like that impossible, though.
This makes keeping Ofsted happy by preparing work for different abilities seem like a walk in the park.
These were based upon weight and made keeping accounts along international lines difficult.