The little girl couldn’t ________ the problem. She wasn’t ________ clever.

She had to lie to the company and ______ a man in order to get a job, ______ rather strange.

When you go by train, please see to it_______ you take an express, _______ that stops only at big stations.

---_________________

---Thank you. I certainly will.

About _______ gene-targeting drugs are already in testing pipeline. It won’t be long ______ they are put into effect.

She is the only one of the persons ________ from the mistakes.

A greenhouse is a building _______ of glass _______ for keeping plants warm when the outside temperature is low..

_____ it is _____ you obtain, you should share _____ your parents your feelings.

There are many insects in the world that never do _______ harm to human beings.

In modern times, people have to learn to ________ all kinds of pressure although they are leading a comfortable life.