1£®Tom wishes that he had_studied(study) law instead of history when he was in university.

2£®The student insisted that he  had_tried(try) his best and he insisted that he  (should)be_praised(praise)£®

3£®I would_have_attended(attend) my cousin's birthday party last night£¬but I was not available.

4£®They stared at me as if I had_come(come)from the outer space.

5£®He suggested we (should)_appeal(appeal) to the high court against the sentence.

6£®—Do you want to drive out?

—No.I'd rather we  took(take) a taxi.