On hearing a great noise, Mike looked forward through the window _____ what happened outside the room.

Thisrobotissupposedtosavealotoflabor,butitremainsaproblemifit______.

________evidencethatlanguageacquiringabilitymustbestimulated.

I heard that you really had a wonderful time at John's birthday party, _____?

Thegreatuseofschooleducationisnotsomuchtoteachyouthings_____toteachyoutheartoflearning.