Recently some hospitals in China have adopted ______ they call a robot-doctor, ______ will be used to operate on patients with more accuracy

What we have been doing may not do us any good, but______ it will benefit us or others,we’ll stick it out.

Would you like to tell us something about what a doctor’s life ______

They _______ some books from the liarary last week.

下列句子没有语病的一项是（ ）。