【推荐1】______ that after the ash covered the people who failed to flee the city, their bodies nearly completely______ and disappeared, _________ empty spaces in the ash.

A．It turned out; broke down; leaving

B．As turned out; broke up; which left

C．It turned out; broke off; leaving

D．What was turned out was; broke down; left

【推荐2】It took me a long time before I was able to fully ____________ what my parents had done for me.

A．appreciate

B．relate

C．regard

D．refer

【推荐3】----Jack can’t concentrate on his lessons recently.
----Yes, that might _____ his low score in the last test.

A．stand for

B．apply for

C．account for

D．call for