. They were surprised that a child could work out the problem ______ they themselves couldn’t.
To our surprise, we got ______ people to attend the meeting as we had expected.
Ann never dreams of ______ a chance for her to go abroad.
He is ______ a teacher to me, and he is also my friend.
He kept a little notebook, in which _______ the names and addresses of his fiends.
The teacher always waits until all the children _____before he starts the lesson.