-I want to see Mr. White. We have an appointment.
-I'm sorry, but he is not ________ at the moment, for the meeting hasn't ended.
busy
active
concerned
available
Without you, I _______ the first prize in the speech contest. Thank you, John.
________ it rain tomorrow, we should have to put off the visit to the Yangpu Bridge.
________ anyone come to my office, please tell them I'm not available before four o’clock.
Had he not come an hour earlier, he___the secret that his mother was always there.
---- What do you think of a house supplied by Lovell ? ---- _______ you buy a home from Lovell, the company promises to buy it back at the same price after three years.