问题
He has read many books on history, so it’s _________ for him to answer these questions.
A:hard
B:impossible
C:easy
D:serious;
B:impossible
C:easy
D:serious;
正确答案是：
同类题型
Mary looks hot and dry. — So ________ you if you had a high fever.
_____ on the top of the hill is a monument, dating back to hundreds of years ago.
Can you work out the problem?—I can’t ________ you explain how to do it.[ ]
Yunnan ______from serious drought since 2009, so it’s our duty to save water every day