The technology of electronic products is ________changing, so you needn’t follow the fashion.

There was such a long queue for coffee at the interval that we_________gave up.

(2013·大连24中模拟)Good health is the basis for students to ________ carry on with their studies and to do any other activity.

— Look! Black clouds are gathering.— Yes. A heavy rain is ______  to come.

The match was really fantastic, __      when Smith scored in the last minute.