___________ has helped to save the drowning girl is worth praising.
---- Did the judge ask you many questions? ---- Yes, and ______.
---- My baby has a heart trouble. ---- Did the doctor find it difficult ______ ?
---- Where did he go? ---- He went to another store ______.
---- Why was the official meeting called? ---- ______ new officers.
Because of air pollution being greatly reduced, this city is still ______.