1£®I like getting up very early in summer. The morning air is so good to breathe(breathe)£®

2£®I am told that the test will involve answering(answer) questions about a photograph.

3£®When visiting(visit) another country, you should be aware of those differences and respect them.

4£®The workers worked much harder, their living conditions greatly improved(improve)£®

5£®There is no doubt that air pollution is an extremely serious problem, so strong measures should be taken to deal with it.

6£®I communicate with my friends through the Internet and I communicated the good news to them by sending a message on QQ last week.

7£®The colour of the leaves varies with weather.

8£®I was late for work because I was held up by the traffic jam.

9£®The man was sentenced to prison for five years because he had given away some national military secrets to the enemy.

10£®We were all confused by what he said just now.