---Most hotels are very full today. --- Don't worry! I have ______ a room already in the Changjiang Hotel.
If you have any doubts about your health, you’d better______ your doctor at once.
Tom had tothe invitation to the party last weekend because he was too busy.
Despite the previous rounds of talks, no agreement______ so far by the two sides.
______ for two days, Steve managed to finish his report on schedule.
I ______ have worried before I came to the new school, for my classmates here are very friendly to me.