The meeting was very successful and our teacher____in English.

You’d better _____ the instructions so that the children could understand them. [ ]

What’s the trouble with you，Andy?—I want to find another firm.Whatever I do，I can’t _____ the boss now.[ ]

Today there are more airplanes________ more people than ever before in the skies.

It’s the best time ______ traveling _______ this time of year.