当别人说话时, 我们不应该打断他们。
We shouldn’t ___________________________ others while they are speaking.
水是由氢原子和氧原子组成的。
Water _______________________ hydrogen and oxygen atoms.
The child ___________(be important) more to her than anything else in the world.
His success was far_____________(more or greater than)his father’s thought.
My cousin Sandy has made great p____________ in Chemistry through her efforts.
It is t __________ in America to eat turkey on Thanksgiving Day.
