he dark apartment _______, who was quite surprised when everyone shouted “Happy Birthday”.

All his friends and relatives came to ______ him on his daughter’s being admitted to Qin Hua University.

When his parents were out on vacation, the house was left ______ Dick[ ]

I think kids will study at home on computers ____ ten years.

You ________ supposed to be here much earlier, Bill.— Sorry, sir. I got caught in a traffic jam on the way.