【2012福建福州】33. Bill has made great progress _____________the help of his teachers.
A. for B. with C. under
【答案】B
【解析】选B。考查介词短语的用法。with help of sb. 意为“在......的帮助下”。此处句意为：在老师的帮助下比尔取得了巨大的进步。故选B。
【2012贵州毕节】23. Her mother goes to work ______ bus every morning.
A. by B. at C. on D. in
