It is playing computer games _______ theboy spends most of his spare time.

It ________be the vocabulary that caused you the problem in the exercise because you know a lot of words.

I missed the first part of the film It was reallya pity—-You _____home half an hour earlier

Frank put the medicine into a top drawer to make sure it would not be _______ to the kids.

Few weight-loss pills can help to keep people slim, _______