Anxiety can ________ with children ’s performance at school.

They should try to ________ their usual inhibitions and join in the fun.

That proposal is essentially irrelevant ________ the issue at hand.

Robots differ from automatic machines ________ after completion of one specific task，they can be reprogrammed by a computer to do another one.

During the past two decades, research has ________ our knowledge of daydreaming.