what was her explanation ________ why she was late?

the advantages of this system are too __________ to mention.

the photographs __________ many pleasant memories.

most member countries have already legislated against _______ overtime.

under the convention, seals can only be killed if they ______ a risk to fish or fishing equipment.

we need to identify the best ways of _______ our objectives.

he was awarded a knighthood _____ recognition of his work for charity.

she went through the typescript carefully to _______ all errors from it.

remember to factor _______ staffing costs when you are planning the project.

some idiots let the _____ out of the bag -- mrs simpson realizes there's something going on.

i’ve got a meeting and i don’t want to ________ the train.