stress causes your body to release chemicals, which __________ boost blood pressure.

the game was __________ because of bad weather.

the economy grew at a slower _________ during the second half of the year.

in the course of _______, some birds have lost the power of flight.

due _______ staff shortages, we are unable to offer a full buffet service on this train.

the strong economy and availability of staff make the area a prime _______ for a business.

if blood loss during operation has been excessive, previously cross-matched blood will be _____.

i'm not in a position to ______ any of the details of the project at present.

we must _______ the simple fact that drugs are dangerous.

he is always ready to _______ heavy responsibilities.

to the ________ of my knowledge, the new project will be starting in june.