問題詳情:
語法和詞彙;從每小題A、B、C、D四個選項中,選出能填入相應空白處的最佳選項。
—Doctor, ______ should I take this medicine?
—Twice a day.
A. what time B. how much C. how soon D. how often
【回答】
D
知識點:相似 相近詞比較
題型:選擇題