English problem

English problem

题目
English problem
Mary ______(not know)what _____(to buy).
She is waiting _______me ________the doctor's office.
I can help you _____learn English.
He often helps his classmates __________study English.
You _______have a bad cold.
答案
Mary _____does not know ____what _____to buy___.She is waiting __for_____me __in______the doctor's office.I can help you _to____learn English.He often helps his classmates __to___study English.You __m...
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