With the medicine box under her arm, Miss Zhao _________(hurry) off to look after the man.
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Jim ___________(make) many friends since he ________(come) to China.
They _____________(know) each other for about ten years.
He ________ already ___________(write) a letter to the factory to ask them to stop making noise.
-When _____________ she ___________(leave)? -Two hours ago.