When I came in, I saw Dr. Li ______ a patient.
The president desires that you _________ him next week.
______ he told us is the news ______ China has got 32 gold medals in this important games, ______ of course, made us feel very excited.
Fortunately we had a map, without _____ we would have got lost.
Two years later, her father disappeared, never to be _________ again.
We want to encourage the students ________ the teaching.