1£®Assuming (assume) that he's still alive£¬how old would he be now?

2£®You'll soon get accustomed to walking (walk) long distances.

3£®It is the first time that we have_talked (talk) about this issue face to face.

4£®It is time that you went to watch the swimming competition.

£½It is time that you should_go to watch the swimming competition.

£½It is time for you to_go to watch the swimming competition.

5£®Millions of soldiers laid down their lives for their country.