—Tony,couldyougivemeahand?—Waitaminute.I

問題詳情：

—Tony, could you give me a hand? —Wait a minute. I ______.

A. lock the door                            B. will lock the door

C. am locking the door                  D. was locking the door

【回答】

C

知識點：動詞時態

題型：選擇題