1. We need more
research to find out the causes of the problem
2. The only way to
resolve the
conflict is by
negotiating with patience and sincerity.
3. The government
commissioned a study to gather people’s
views on the new policy in
1995.
4. The department has
purchased three new
machines for the multi-purpose laboratory.
5. Tom was
disturbed by
noisy students in the library so he wasn’t able to
concentrate on his reading.