The cost of oil is less than _______ of gas.
Martin drove along for more than one hour _____he found a convenient parking place.
—The party will start at 7:00 sharp. Come earlier!—_______. Thanks for your mention.
The place he suggested to us ______ the meeting is a five-star hotel.
We expect Mr. Drew will ______ Class Two when Miss Syme retires.
—I phoned you at 9 this morning but got no answer.—I am sorry. I _____ the bell. I _____ in the garden.