用括号中所给词的适当形式填空.Linda often helps her classmate ________(clean)the classroom.

问题描述:

用括号中所给词的适当形式填空.Linda often helps her classmate ________(clean)the classroom.
His talk made all of us ________(laugh)in the end.

( to ) clean
help sb to do sth 固定用法‘帮助某人做某事,TO 可省
laugh
make sb do sth 固定用法“让某人做某事”