Many Chinese airline companies had intended to get much the business,but it______so bad.

—How could you________ my mother so easily in the crowd?—Because she stood out in her red dress.

To keep the air clean, this hospital _____ all the patients ____ in and around it.

—Have you ________?—No. I had the wrong number.

With a large amount of work _______, the chief manager couldn’t spare time for a holiday.