Now let me tell you the work I have been doing with them. My job with the UN is not paid, but voluntary and as I said _______, I mainly visit countries where the UN has programs to help people.
.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.