Question

— Why do you think ______?
— He could ______ for exercise.

A．is the man running, run	B．the man is running, be running
C．does the man run, run	D．the man runs, be running

Answer 1

B

            
試題分析: 句意:為什么你認(rèn)為那個(gè)人在跑步？他可能是在跑步鍛煉。 do you think接賓語(yǔ)從句，語(yǔ)序?yàn)殛愂鼍湔Z(yǔ)序；對(duì)正在發(fā)生的事情做出猜測(cè)，用進(jìn)行時(shí)態(tài)，故答案選B.