Sentence examples for had made it difficult from inspiring English sources
Its density had made it difficult for RAF fighter controllers to direct their squadrons with accuracy.
Late last month, the Arab League suspended its observer mission in Syria, saying increasing violence had made it difficult for the team to do its work.
Mr Anderson admitted that the school not being able to prove itself before opening with its new status had made it difficult to attract students.
This lack of a stable source of funding had made it difficult for the Continental Army both to obtain its necessary provisions and to pay its soldiers.
This had made it difficult to establish suitable bonds.
But the excision had made it difficult for him to acquire new long-term memories.
Mr. Regier said perceptions about the department's effectiveness had made it difficult for him to continue.
The complexity of epigenetic regulation has made it difficult to explore its role in regulatory divergence between duplicates.
"You've made it difficult".
