I didn’t manage to do it _____ you had explained how

Research universities have to keep upwith the latest computer and scientific hardware __________ price.

Betty, do youknow if Tony ______ the photo competition—He will, ifhe ______ his project on Australia.

If it _____ another ten minutes, the game would have been called off.

Every minute should be made use of ____ our lessons because the find examinations are coming.[ ]