The concert by Lang Lang was so well ______ that all the tickets had been sold out on the first three days last month.

When the question _____ at the meeting, no one could answer it.

(2014·安徽皖南八校三联)A positive attitude，________with willingness to seek appropriate help and exercising solid study habits，will do much to determine how well you do in your studies.

The flooding      the bridge, so we can’t walk across it forever.

After working until midnight for two weeks, he finally ______ and had to stay in the hospital.