He asked us to _______ him _______ carrying through their plan.[ ]

His idea is always so advanced that we allthink that he is____ our time.

Clearly there is much to be desired _____ it comes to the quality of teachers and their teaching methods.

As we have mentioned previously, we will be dedicated to solving the problem within the current framework, rather than _____ a new one.

Every evening our eyes tell us the sun sets, while we know that, in fact, the earth ___ us away from it