Question

【題目】— Look! The old man ______ a big box into the house.

— Let’s go and help him.

A. pulls B. pulled C. is pulling D. has pulled

Answer 1

【答案】C

【解析】

試題分析：句意：—看!那位老人正拖著個大箱子進(jìn)屋。—讓我們?nèi)�幫幫他�?/span>A. pulls一般現(xiàn)在時態(tài)；B. pulled一般過去時態(tài)；C. is pulling現(xiàn)在進(jìn)行時態(tài)；D. has pulled現(xiàn)在完成時態(tài)，看得到的動作是正在發(fā)生的動作，用現(xiàn)在進(jìn)行時態(tài)。故選C。