题目内容
用所给动词的适当形式填空。
-- How many times ________ you ________ (be) to Russia?
-- Only once. I ________ (go) there in 1978.
答案:have;been;went
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题目内容
用所给动词的适当形式填空。
-- How many times ________ you ________ (be) to Russia?
-- Only once. I ________ (go) there in 1978.