Life in the 21st century is much better than_____ used to be.
The president spoke at the meeting for nearly an hour without _______ his notes.
------ Did you have _____ great fun at the party?------ Yes. It’s ______ great pity that you missed it.
------ I’m thinking of the test tomorrow. I’m afraid that I can’t pass this time.------ _______! I’m sure you will make it.
, the disease will produce a powder poison that will kill the patient.
—Do you think George has passed the driving test?—No. If so, he ______ his car to our college yesterday.