Now that there are only a few minutes left, we’d better talk about the plan in _____.

Great ________ should be made to speed up higher education to meet the needs of industry and agriculture.

—Hi,Magarette! You are in perfect        .—I always do exercise to keep fit.

. The _____ look on his face suggested that it was he who had broken into the house.

I listened to Dr. Johnson’s lecture about biology, but I failed to get its key ____.