His first lecture is of great use to our development. But his latest one is ______ worth attending.
______ he has been so rude to us, I feel like we have to punish him or he won’t respect us.
We meet on the last Friday of every month to talk about poems and poets ______ we like.
Going to ______ British high school for one year was _____ very enjoyable and exciting experience for me.
Many people who were once _______ now get better jobs after further education.
-Have you finished your experiment report, Jane? -Oh, my God. I’ve _______ forgotten all about that.