________evidencethatlanguageacquiringabilitymustbestimulated.

Thegreatuseofschooleducationisnotsomuchtoteachyouthings_____toteachyoutheartoflearning.

The professor said he could talk on _____ interested the audience.

Part of the work is to be finished today and ______ by this weekend.

Thereweremanymorepeoplewhogotinjuredinthebigfirethan_______.