---Look!Mr.Leeisstandingunderthetree. ---It...
來源：國語幫 1.84W
問題詳情：
--- Look! Mr. Lee is standing under the tree.
--- It______ him. He has gone to Canada for his holiday.
A. must be B. mustn
’t be C. can be D. can’t be
【回答】
D
知識點：情態動詞
題型：選擇題
