First ______ the rice by washing it, then ______ it in boiling water.
_______ a satisfactory operation, the patient recovered from illness very quickly.
.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.