1. The scientist said the experiment was harmless (harm) to the animals.
2. Everyone praises the children’s good behavior (behave).
3. Professor Jordan gave us a most confusing lecture this afternoon and most of us were confused. (confuse)
4. Since your company pays attention to employees’ creativity (create), it is an honor for me to be one of your staff.
5. If possible, record yourself as you speak, and compare your version with the original (origin).
6. Tom gave Helen an apple in exchange for a piece of cake.
7. The dictionary seems pretty simple. But actually (actual), there’s something you might not know about the dictionary.
8. It reminded us of the exciting moments we enjoyed together.
9. The mends on your coat were almost invisible (visible).
10. It is time that you reflected upon/on your mistakes.