President Obama has said that he had discussed his administration’s desire for _____ orderly change to _____ more open government in Egypt.
—Where is Lu Wenjie? —I have no idea.He__________ be in the library.
. — You must obey every word of mine!— _____ I don’t?
16. The river, ______the bank are covered with trees, is very long.
While building a tunnel through the mountain, ________ .
Lei Feng is always ready to help others when they are in trouble and he never ______ their request.