_____enough time and money, the researchers would have been able to discover more in this field.

Mary tiptoed over and took the clock away because she hated to hear it___when shewas trying to go to sleep.

At______,photographyisachemicalprocess,duringwhichalight-sensitivematerialisalteredwhenexposedtolight.

Indeed,itisarguablethatbodyshatteringistheverypointoffootball,askillingandmaiming___.

Evenifhisletter（）tomorrow，it（）toolatetodoanything.