The teacher did his best to ________ his students.

People were recruited to spy and report on their ______________.

I am afraid I don't have much free time. My business schedule is rather ___________.

I don't realy think we should implement this idea. It seems to be _________ .

A cup of warm milk is my ____________ remedy for insomnia.

The ministry of education made an important announcement concerning the school __________yesterday.

The introduction of your article should succeed in _________ the readers' attention.

We need to ________ more data for our project.

There at many ways to ___________ your children's good behaviour.

This series of maths books consists of three ________ .