If your father knows that you cheated in the exam， he will be ________ angry

The Japanese mask-maker keeps an eagle eye out for new masks. “I don’t see any face among Japanese politicians that wouldthe next US president’s, ”he said.

Everyone queued up before the booking office in silence, having nothing to do but _________.

Math is useful, so it’s _______ for us to learn it well.

It was early morning in London _____ Prime MinisterCameron arrived to give his speech