The weather was great and the people were friendly—_______ a perfect trip.
. My parents would have come to see you if it had been possible, but they ________ so busy.
. Mary is a(n) _______ customer, so the waiter knows her likes and dislikes.
. Recently I bought a ticket for Shanghai World Expo, _______ was very reasonable.
. ---I’d like to call you at 10 o’clock next Friday morning if it is convenient. ---I’m afraid I _______ an important meeting.
. _______ in the book, he didn’t notice my coming.