May I go home right now—No, you____. You must finish your work first.

There are severalfactors _______ in the economy _______ make it difficult to predict the future

Tom takes after his father .They are both clever and a bit quiet.

I___________ some clothes to charity because they aretoo small for me.

ly somehospitals in China have adopted ______ they call a robot-doctor, ______ will beused to operate on patients with more accuracy.