AIDS is spreading all over the world at shocking speed. Where its dark _______ appears, we see pain, tears and death.

Angela and John picked up the marriage ____ after they met online several times, which was not sensible．

After the flood, what the local government did first was to provide _____ for the homeless families．

This restaurant has become popular for  its wide ______of foods that suit all tastes and pocket.

He often asks his neighbour to look after his pet during his _______.