V.
1. A -> dictionaries
2. B -> who
3. C -> carefully
4. B -> was painted
VIi.
1. The dictionary which you bought for me yesterday is of great help.
2. Pineapples and lichees are exported to many countries.
3. Lam doesn't speak English as fluently as Nam.
4. Hung said he often went to English speaking club at weekends.