Question

—How many times ________ Li Yan ________ to the Great Wall?
—Twice.

A．has; been

B．is; going

C．has; gone

D．does; go

Answer 1

A

试题分析：句意：李岩去过长城几次？——两次。结合语境可知上文描述的是现在已经完成的动作，故用现在完成时态，选A。