She noticed a marked _______ in the children on her second visit.

Thanks to computers, we can calculate difficult mathematic formula __________ lightning speed.

The new invention may receive a lot of __________ from the public.

Nowadays, the divorce rate is higher than it used to be________ young people are allowed to decide on their marriage.

You can use the ___________ control to adjust the air-conditioner.

Digital cameras is a wonderful ___________.

He asked me if I was capable __________ fixing the electric cooker.

The books ___________ have been read by the students should be put on the shelf.

Another man-made satellite has _______ up into space.

What _________ computer a miraculous device?

We _________ tasks into three parts so that all members of the group can take part in.

Both hardware _________ software are important to a computer.

Computer is a good source of information and __________.

The government provided an _______ £25 million to expand the service.

Three women, none of whom we _______ before, _______ out of the hall.