.--- What do you think our guests ___________ be doing at the moment? --- They must be enjoying themselves at the party.
It was not until she failed in the exam ______she realized the importance of study.
________at the restaurant with a wide variety of dishes served before, Bob didn’t want to eat there again.
He was about to tell me the secret ______ someone patted him on the shoulder.
I ________ to visit you later that day, but I had to phone and cancel.
When we saw the road ______ with snow, we decided to spend the holiday at home.