—As a student, we should study hard.— Yes, ______ we study, ________ results we’ll get.
.When I came in, I saw Dr. Li _______ a patient.
.The cars _______ in Beijing are as good as those _______ in Shanghai.
The graduating students are busy _______ material for their reports.
I had to shout to make myself _______ above the noise.
.He walked down the hills, _______ softly to himself.