1£®Even if invited (invite)£¬I won't go to such a bad lecture.

2£®He was robbed last night£¬but fortunately (fortunate) he didn't have much money on him then.

3£®Work hard£¬and you'll be admitted by a key university.

4£®With all the things he needed bought (buy)£¬he went home happily.

5£®Jane is not good at sports£¬but when it comes to cooking (cook)£¬she is excellent.