The children were left _____ of a neighbor when they went on holiday.

We have been told that under no circumstances ___ the telephone in the office for personal affairs.

For holidays,many people visit the Great Barrier Reef__________the northeast coast of Australia.[ ]

Can you tell me _________________ last night?

ys, a lot of children have less time to play and communicate with their peer due to extra studies. ________, it is difficult to develop their character and social skills.