问题描述：
英语题目（同义句转换,首字母填空）
Mr Li often advises us how to study.
Mr Li often ____ ____ ____ us ____ how to study.
Waste water is very harmful to the environment.
Waste water is ____ ____ ____ to the environment.
Everyone fails some exams,l____ some matches and has bad days.Don't let small problems s____ very big.
Mr Li often advises us how to study.
Mr Li often ____ ____ ____ us ____ how to study.
Waste water is very harmful to the environment.
Waste water is ____ ____ ____ to the environment.
Everyone fails some exams,l____ some matches and has bad days.Don't let small problems s____ very big.
问题解答：
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