What ______ public is concerned about is whether medical workers and scientists will be able to find_____cure for this new disease in a short time.
He gained his ___ by printing ___ of famous writers.
Not until all the fish died in the river ___ how serious the pollution was.
It’s nearly seven o’clock, Jack ___ be here at any moment.
--I’ll be away on a business trip.Would you mind looking after my cat?—Not at all.___.
--How was your recent visit to Qingdao?---It was great,We visited some friends, and spend the __ days at the seaside.