2 Tony is upset since/because of the bad reviews his book has received.
3 Let's leave early so as to/so that we can
be there before the film starts.
4 The play was such/so interesting that we
saw it three times.
5 He was really looking forward to the show.
Whereas/However, he was disappointed.​

2. Tony is upset because of the bad reviews his book has received.

3.  Let's leave early so that we can be there before the film starts.

4. The play was so interesting that we saw it three times.

5. He was really looking forward to the show. However, he was disappointed.

Объяснение:

24.  came, found,  had taken.25.  had finished,    decided .26.  had used  / had been using; arrived.27. started had not gone. 28.  looked, had used. 29. interrupted; had finished.30. had dressed and eaten , linda rushed off 31 had already seen that musical before he read the re­view about it.32.  when i went into the room; somebody had been smoking in there.33.  because jasper had made ; he hoped , although there were a lot of people when he arrived.34.  by the time bill left school, he had spoken . when he was at university he learnt italian and spanish.35.  sent ; why she had not done what she  had promised.36.  ann only had been working there for a few days when she decided to leave.37.  told; there was no money ; i had spent it all.38.    had come off .39.  got, told,had phoned when i was out.40.  they got married in 1990, had fallen in love.41.  while i was trying ; a passing car stopped and the driver offered to help me.42.  found; he had left .43. david admitted that he had hit, but said he had not damaged it.44. jane missed ; hadinformed her about it.45.  it turned out that they had used/ had been using . 46.  had started working when he realized that he needed to go to the library. 47. was walking home, she tried to remember what had happened.48.  had done, they were 49.  was eighteen she had been studying english for six years. 50.  had been raising .51.  we had been flying ; announced we had .52.  crossed ; had gone home.53.  had burnt  ; arrived.