---What kind of people do you need for the position? --- __________ with a good command of English.

We have realised that ____ is much that can be done to help improve our environment.

— Would you like to order the two robots?— Yes, one is to help me with my homework, and ______ is for my mother to do housework.

One of the most important questions they had to consider was _________ of public health.

I don't forget for ever how many years ago_____ was that I last met her in the coffee bar.