Choose the best option
1) jack has gone away . He will be away — next Friday
A on. B until. C for
2) Ba took a lot of plotos — the visit to huong pagodo
A at. B during. C in
3) they had to wait at Ben Duc — a long time
A. Since. B for. C during
4) liz went to bed early — she was tired after the trip
A but. B because. C so