1£®It is difficult to imagine his accepting (accept) the decision without any consideration.

2£®The question being_discussed (discuss) is of great importance.

3£®The US house price has risen by 12.4% over the 12 months to the end of July, completely ruining (ruin) his plan to buy another apartment.

4£®Not knowing (know) her address, I can't write to her.

5£®Having_eaten (eat) at the cafeteria before, Tina didn't want to eat there again.