The doctor the farmer sent his son is well-known in the field.
Don't bother Tom. He is ________ with the experiment on water molecules(分子)in the lab.
I finally persuaded her to see the new film “If You Are The One II” directed by Mr. Feng, ________ she didn’t want to.
His ________ description of his adventure in the forest made us want to have a try ourselves.
True friendship is like sound health, ________ the value is seldom known until it is lost.
At the meeting they discussed three different ________ to the study of physics.