问题
选择题
Tom thanked his sister helping him his lessons.
A．for; with
B．to; in
C．of; about
D．on; at
答案
答案：A
thank sb for sth表示因某事感谢某人；help sb with sth表示帮助某人做某事。
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Tom thanked his sister helping him his lessons.
A．for; with
B．to; in
C．of; about
D．on; at
答案：A
thank sb for sth表示因某事感谢某人；help sb with sth表示帮助某人做某事。