Tiring as it might be, the military training ______ the best opportunity to make lifelong friends

Our teacher often advises us ______computer games a lot.

Can you imagine the great difficulty he had ________ his driving test last week?

The foreign expert put forward a plan at yesterday’s meeting, _____ all the people present spoke highly of.

Studies indicate that people are more _______ to suffer from back problems if they sit before computer screens for long hours.