While paying for the gas,Mary’s mother told the seller about the nice night she had spent at the Welcome Inn.
We’ve made up our mind to finish this experiment no matter ___ difficult it was.
His doctor suggested he ___ smoke because of his illness.
---It’s a wonderful party.—It’s very nice of you to come.___.
He ___ at the enemy, without saying a word.
She didn't answer the phone.She ___ be asleep.